Category Archives: Yellow Diamonds

Diamond Engagement Ring

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Once you’ve decided that you want to pop the question, you now need to do it with the perfect ring. And no better way to do it, than with a diamond engagement rings. However, you want to ensure that along with dazzling your fiancé, it must also suit her preferences; lifestyle and most importantly fit her. This will involve trying on many rings till she finds something that suits her best. The ideal way thus to ensure you surprise her with a ring that fits all the above criteria, is to pick a diamond yourself and let her choose the design and make of the ring.

However, it helps if one knows the basic parameters by which to judge a diamond before buying it. A diamond is judged by the 4Cs: Colour, Clarity, Cut and Carat. The higher a diamond rates in all these characteristics, the more expensive it is. A little idea of what these terms mean will go a long way in helping you pick the best ring

Colour: Contrary to popular belief, diamonds are not colourless. ‘Normal’ diamonds are graded on a scale of D to Z with D being colourless and Z as light yellow. A colourless diamond in the normal range is the most expensive. Beyond Z, a diamond is considered as ‘fancy coloured’. Naturally coloured diamonds are quite rare. Red and green are the rarest fancy colours, followed by purple, violet, orange, blue, and pink. Yellow and greenish yellow diamonds are more common. And the rarer, the more expensive.

Clarity: Clarity is the absence of internal inclusions (mineral parts or crystals trapped inside) or surface blemishes. A diamond devoid of such inclusions and blemishes is ‘flawless’ and most valuable. Normally diamonds are cut and shaped so as to get rid of surface blemishes, without reducing the weight of the diamond. Since inclusions are found only in natural diamonds, they help in distinguishing them from lab made ones. When you buy a diamond for your engagement rings, look for such blemishes and inclusions under a 10X magnifying glass. (Most jewellers will provide you with one).

Cut: Cut refers to proportion, symmetry and finish of a diamond. A diamond can be cut in various ways, to accentuate its ‘fire’. A well cut, well-proportioned diamond will sparkle breathtakingly and display the colours of the rainbow when held against light. Although you might not be able to know technically whether a diamond in your engagement rings is well proportioned by looking at it, the gasp emanating from your fiancé will be a good pointer!

Carat: This is the unit of measuring the diamond weight. 1 carat is divided into 100 points. So a diamond of half a carat will measure .5 carat. The measure corresponds directly with the size and price of your diamond. In case you want an elaborate engagement rings, you might consider a cluster of diamonds of varying carat measurements.

With this basic knowledge, it will now be easier to explain to your jeweller what you’re looking for, and also discern if he’s offering you what your money and of course your beloved deserves.

Rivazge.com is an U.K. based Diamond jewellery manufacturer, engaged in production of high quality diamond jewellery. Diamond jewellery manufactured by Rivazge contains 100% certified diamonds. To know more about our products, visit: http://www.rivazge.com

All About Diamonds

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Every body know that diamonds is most beautiful stones in over the entire world but a very few people know that what is diamonds and where is it found? diamond may be up to 3 billion years old, which is much older than their surface host rock. Diamond crystallization originates some 200 kilometers, or 320 miles, beneath the surface and the disaggregated crystals are merely transported to the surface via kimberlite and lamproite pipes. These igneous host rock formations are roughly cylindrical in shape and act as a conduit from the Earth’s mantle to the continental crust. Today, 75-80% of the world’s natural diamonds are used for industrial purposes and 20-25% for gemstones. Diamond may even be found in meteorites.

 

Diamond is a colourless exceptionally hard mineral (but often tinted yellow, orange, blue, brown, or black by impurities), found in certain igneous rocks esp. the kimberlites of South Africa. It is used as a gemstone, as an abrasive, and on the working edges of cutting tools. Composition: carbon. Formula: C. Crystal structure: cubic. Name derived from the Greek adamas meaning invincible. Relative density 3.50- 3.52. Cleavage eminent along octahedral faces. Fracture conchoidal. Tenacity brittle. Lustre brilliantly adamantine. Refractive index 2.417- 2.419. Dispersion strong 0.044. Diamond crystals form as cubes, octahedra , the most common gem form, and dodecahedra. Colourless to yellow diamonds which have a strong absorbtion line in the violet end of the spectrum are members of the Cape series. Color is usually pale yellow to colorless, but can also be brown, blue, green, orange, red, and black.

 

 

The most famous diamond bearing country is South Africa. The first diamond was reported in 1866. By 1869 an 83.5 carat diamond had been found and was named The Star of Africa. It was subsequently cut into a pear shape brilliant weighing 47.74 carats. The Golconda area of Southern India has been the source of some famous diamonds such as the Koh-i-nor (mountain of light 186cts cut to 108.92 cts and now in the Tower of London) and Jehangir. Diamond is widespread in Brazil, most stones being small but of good gem quality. Alluvial diamonds have been found in most states of the USA. White and fancy coloured diamonds such as pinks and pinkish browns are mined at Argyle in North Western Australia. Other important producers are Russia, now the fourth largest producer, and China.

Djewels manufacturer and exporter of high quality certified diamond studded jewelry in 14/18 k Gold. We combine quality jewelry and hard work to bring out the best in every individual at a truly exceptional price. Our superbly crafted collection of diamond, white/yellowgold, gemstones, and Kundan Jewelry is specially designed to suit your preferences. Djewels offers bouquets of very special services to all customers. Honesty, Accuracy, Hospitality, perfect price and above all Customer satisfaction.

Diamond Stud Earrings – the Last Word in Style and Fashion

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Without doubt a diamond stud earring is one of the boldest statements of success and style that anybody can wear, and recently earrings adorned with just a single diamond or encrusted with several small diamonds have become the last word in fashion.  They are available in a number of styles, from hip hop to elegant gold pave settings.

For many years, genuine diamond earrings have tended to be associated with older people, particularly women, but now an increasing number of men are wearing them rather than the plain gold style of stud earring.  This has come about largely as a result of the combination of the music and fashion industry, and hip-hop now almost seems to describe a particular style of fashion as much as it does a style of music, most typically with the concept of bling.

As a direct result of the hip hop style, it has become increasingly popular amongst younger people to adorn themselves with as much bling as possible.  A diamond stud earring fits that bill perfectly, since these are diamond earrings that have been designed specifically with younger people in mind.  From their vibrant colours, funky designs and highly distinctive looks, these earrings are instantly recognizable for both their style and status. Many of the colored diamonds have been enhanced to produce a stronger, more vibrant coloration to the earring.

An example of these is a diamond kite earring in three colors, with white, blue and canary yellow diamonds in a pave setting of white 14 carat gold.  Not only beautiful, but a distinctive statement of style and wealth, but for a real hip-hop earring you can have 4 carats of white diamonds in a square 14 carat gold setting – that really sparkles, and 14K gold is not as soft as 18K and therefore wears better.

It might be easy to assume that a diamond stud earring designed with style and fashion in mind compromises on the quality of manufacture, but this is not the case.  Such earrings can be of the very highest quality, beautifully crafted in fine gold with securely set diamonds that offer the perfect accompaniment to a diamond watch in traditional, contemporary or bling styles in a wide range of designs and colors.

Some men love checkerboard styles with white and deeper colored diamonds set in a check pattern.  Others prefer the bling of lots of small bright and sparkling white diamonds, set against a yellow gold color. The same is true for women, since diamond stud earrings are suitable for both sexes, some being specifically designed to be unisex.

People notice three things about a person wearing diamond stud earrings – whether man or woman. The first will likely be the flashing sparkly diamonds as they catch the light, and the second might well be the vibrant colors of some of the diamonds that have been enhanced to draw the eye.  The final thing they will notice is the style of the person him or herself, since the people who wear real diamonds either have that touch of class that comes with wearing diamond earrings in traditional settings, or the flashy bling-bling of hip-hop styles that make a real statement about the wearer.

Such diamond stud earrings can vary from under 0.3 to over 6 carats of diamonds and more, either solitaire or with a mixture of clear or colored diamonds in a variety of different cuts and settings that are designed for maximum impact on both the wearer and admirer. Some prefer all white, while others prefer a mixture of enhanced colors. 

History has confirmed time and again that diamonds are a girl’s best friend, and no woman can fail to be impressed and delighted with the gift of diamonds.  A pair of diamond stud earrings has always been a beautiful and lasting gift to buy that special woman at certain times in her life, but is now increasingly becoming a gift for women to purchase for the man in their life, and although single earrings were at one time the style for men, it is now normal for them to wear the pair.

Whether it is a single solitaire earring or a pair consisting of white and colored diamonds in one of many new patterns, and settings in white or yellow gold, diamond stud earrings adds a sparkle to your ears and are an ideal gift, both for lovers of hip-hop and bling, and the more traditionally minded, and when it comes to cost you can purchase diamond earrings online at a fraction of the normal cost if you know where to look.

Check out the diamond stud earrings at ItsHot.com where you will find a wide range of jewelry sure to meet your personal needs. Also, check out the ItsHot.com Blog for more information on diamond earrings

Can Diamonds Really be Colorful?

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Even if you have never been shopping for diamond jewelry, you have probably heard about the four Cs used to classify diamonds—clarity, cut, carat and color. These collective metrics are used throughout the world to determine the value of individual diamonds, with diamonds exhibiting the most desirable combinations of clarity, cut, carat weight and color rising to the top as the most universally unique and highest valued gems.

Clarity refers to the extent of inclusions, or natural features such as fractures present in the diamond that originated from its formation deep within the earth. A diamond’s cut describes the design and proportions of the diamond after it is crafted by a diamond cutter, an art form that manifests itself in the diamond’s outward appearance and brilliance. Carat is a concrete description of a diamond’s weight, with one carat representing a weight of 200 milligrams. Color is a diamond quality that generally refers to the extent to which a diamond is colorless. The Gemological Institute of America (GIA) has established a widely accepted color scale to rate diamonds falling in the normal color spectrum, which ranges from colorless to yellow. Diamonds which fall closer to the colorless end of the color spectrum are generally considered more valuable than yellow or brown tinted diamonds of equivalent clarity, cut and carat weight. Intensely colored diamonds are the exception, their rarity and beauty making them extremely valuable and exotic despite being far from colorless.

Although many people perceive all diamonds to be colorless, true colorless diamonds are extremely rare, and thus the most valuable on the GIA color scale. A majority of diamonds commonly used in jewelry such as engagement rings and eternity rings have a tint of yellow or brown, placing them in the normal color range. Though slight variations in the color of diamonds are to be expected, the difference among various shades is usually indistinguishable to the untrained eye.

While diamonds in the normal color range are the most common, diamonds form within the earth in an array of colorful hues. Diamonds in vibrant colors such as pink, yellow, green and blue, called fancy colored diamonds, are highly sought after by diamond connoisseurs and jewelry consumers alike. The rarity and splendor of such exotic diamonds contributes to their high value, and is the reason that colored diamonds are often attractions at museums and exhibits. The famous and fabled 45.52 carat Hope Diamond on display at the Smithsonian Institution since 1958 is a prime example, requiring dedicated security measures and personnel of its own.

Like white diamonds, the value of a fancy colored diamond is determined in part by the collective value of its four Cs. However, the color attribute becomes a more significant dynamic in the valuation of a colored diamond. Rather than being evaluated on its lack of color, a colored diamond is valued based on the quality of its hue, intensity and consistency.

About the Author: Ian Maher is the CEO of Maliere, a leading provider of eternity rings, diamond rings, platinum rings and gold rings. For more information, please visit www.Maliere.com.

A Guide To Buying Diamonds Earrings

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Diamonds earrings have always been a popular choice for men to give to the one they love. Also, women choose these earrings because these are sturdy and beautiful. Therefore, before setting out to buy the pair that you have coveted, see if these are worth your money.

Diamonds earrings are expensive—a fact in life, really. Before you buy diamonds earrings, it is better to do some background research to determine which cut or shape should you buy. Diamonds are far too expensive for you to make instant decisions.

Four Cs.There are four Cs that you have to watch out for when you set out to buy diamonds earrings. The value of the diamond depends on these 4 Cs; thus, the value of the earrings depends on the 4 Cs too.

Carat. This is a familiar term to most of us because this is how gold is categorized too. However, although a lot of people are familiar with the word, not many know what it actually means. Carat is the measure of the weight and mass of the diamond. The higher the carat, the more expensive the diamond gets; thus, the more expensive your diamonds earrings will be.

Oftentimes, this is used as the main factor that would determine the value and the popularity of the diamond. For example, the Tiffany Yellow Diamond is recalled mostly as a large octahedron that weighed 287 carats (uncut) then was cut to 128 carats. This diamond is known as the largest golden-yellow diamond. It became popular more because it was large than because it was yellow.

Clarity. Diamond, the hardest material of natural origin, is so hard that only another diamond can scratch it. However, in the process of its turning from ordinary carbon into diamond, there are certain defects in its crystal lattice so that various imperfections can be found either inside or on its surface. The internal defects are called inclusions. Of course, diamonds earrings made of material with no defects will be far more expensive than with even a single defect. The more defects, the lesser the price.

Color. Loose Diamonds are commonly transparent and colorless. However, colored ones are rarer and are, therefore, more valuable. In general, diamonds earrings made of darker and more intense coloration will be more expensive than lighter ones. Also, blue, pink, and green ones are more expensive than yellow and brown ones.

Cut. Perfectly cut diamonds are very expensive. Moreover, those cut to different shapes would be more expensive. For example, lily cut or heart-shaped diamonds earrings will be many times more expensive than those with circle cuts.

However, imperfect diamond earrings will actually work to your advantage because, naturally, these will have lesser value than a perfect one; thus, you will be able to own a diamond that is affordable but still beautiful. Furthermore, these imperfections will act as unique fingerprints to determine your diamond. Also, jewelers have a way of hiding the imperfections so that the inclusions will not be visible especially to untrained eyes.
Always, it will be the size, the color, and the cut of the diamond that will determine its beauty. Those with higher clarity are more expensive; but since clarity does not really have an impact on the diamonds earrings’ beauty, it is better that you don’t choose your earrings based on this criterion.

When you have decided to buy your diamonds earrings, be careful in storing them. Remember that diamonds can scratch other diamonds, so make sure that they do not come in contact with each other.

For more information read our loose diamonds guide – how to buy loose diamond.

Angela Dolson is an expert author. She writes interesting articles about jewelry trends and styles that makes readers know more about the things.

How to Choose the Perfect Diamond

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A diamond acts like a prism whereby light can be divided into a spectrum of colours.* A colourless diamond, allows more light to pass through it than a coloured diamond, these colourless diamonds reflect the light as colourful flashes called ‘fire’. The less colour in a diamond the more colourful the fire and hence the better the diamond grade.

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Diamond Colour

A diamond acts like a prism whereby light can be divided into a spectrum of colours.

A colourless diamond, allows more light to pass through it than a coloured diamond, these colourless diamonds reflect the light as colourful flashes called ‘fire’.

The less colour in a diamond the more colourful the fire and hence the better the diamond grade.

Colour in a diamond acts as a filter and reduces the range of colour exuded.

The perfect diamond is actually colourless.

The less colour (yellow) a diamond permeates the more rare and valuable it actually is.

A letter grade is given to a diamond to describe the subtle tones of colour in the stone.

D is perfectly colourless and therefore the most rare and expensive.

As you progress from D to Z on the alphabet colour scale, the level of colour increases with traces of a yellowish or brownish colour.

Vibrant colours such as pink, red, blue and green are constantly being discovered, but due to their rarity are incredibly expensive.

These colours do not follow the normal colour scale and are categorised separately.

At GoldeNet Australia you will only find the finest diamonds, therefore we do not offer diamonds that have been graded below M.

Which Colour Grade Should I Choose? Diamonds graded D through F are naturally the most valuable and desirable because of their rarity. The rarity and value of these diamonds are reflected in their price.

This does not mean that diamonds graded below F are not considered to be very attractive.

Diamonds graded G through I show virtually no colour visible to the untrained eye.

Diamonds graded J through M show an extremely faint trace of yellow, however this faint hint of colour can be minimised by the careful selection of the right jewellery setting on which to mount your diamond.

D, E, F = For the purest diamond, diamonds graded D-F are superb diamonds and are extremely expensive.

G, H, I, J = For excellent value in a diamond with no noticeable colour to the untrained eye.

Nearly colourless diamonds with noticeable colour when compared to higher grade diamonds. These are high quality and are excellent value.

K, L, M = Faint yellow diamonds.

N, O, P, Q, R = Very light yellow diamonds.

GoldeNet Australia does not offer these diamonds.

S, T, U, V, W, X, Y, Z = Light yellow diamonds. GoldeNet Australia does not offer these diamonds.

Diamond Cut

The cut of a diamond is one of the most important diamond characteristic as it provides the diamond with its unique sparkle and brilliance as the cut allows the maximum amount of light to enter and leave the diamond.

Of the Four Cs, the cut is the only value factor that is a result of human skill.

It refers to the angles and proportion of a diamond, as well as its polish and precision of faceting. Often the cut of a diamond is mistakenly referred to as the shape (round, pear, oval, etc.) of the stone.

Well-cut diamonds can reflect light like a mirror from one facet to another and disperse and reflect this light through the top of the stone.

A well-cut diamond will be symmetrically round, proper depth and width and have uniformity of the facets.

These features will result in optimal radiance.

On a classic round brilliant-cut diamond, for example, 57 or 58 facets must be precisely aligned so light will enter the diamond and reflect back through the large top facet, or table of the diamond. Diamonds that are cut either too deep or too shallow can lose light through the sides and bottom and will be less brilliant, and ultimately of less value.

The universal cut grading scale, as defined by the American Gemologist Society Laboratories (AGSL), is outlined below. Currently, only round diamonds are graded.

GoldeNet Australia does not carry any diamonds below the cut grade of ‘Good’.

IDEAL CUT: Represents roughly the top 3% of diamond quality based on cut.

Perfectly proportioned with the highest grade of polish and symmetry.

This grade of diamond reflects virtually all light that enters it.

They are the most brilliant, rare and expensive diamonds.

EXCELLENT CUT: Represents roughly the top 8% of diamond quality based on cut.

Proportioned to fit strict requirements for table and depth percentage.

This grade of diamond reflects almost all light but less than the ideal cut.

They are still quite rare and very expensive.

VERY GOOD CUT: Represents roughly the top 15% of diamond quality based on cut.

Proportioned to reflect much of the light that enters.

This is a high quality and moderately priced diamond.

GOOD CUT: Represents roughly the top 25% of diamond quality based on cut.

Proportioned to reflect most light that enters.

These are considerable value, quality diamonds.

FAIR CUT: Represents roughly the top 35% of diamond quality based on cut.

Disproportioned but allows some light to be reflected.

POOR CUT: This includes all diamonds that do not meet the proportion standards of a fair cut. Disproportioned so that most light entering is lost out of its sides and bottom.

Important characteristics of a diamond cut are described below. Some diamond cutters will compromise on the cut of the diamond in an attempt to optimise the diamond’s weight (carat).

This can result is a larger diamond with a duller appearance.

If all Cs are equal (cut, carat, colour and clarity), there can be as much as a 50% variation in the cost of a diamond if the cut is of poor quality.

TABLE SIZE %: The table length relative to the diameter of the diamond.

A table that is too large or too small will reduce the overall dispersion of a diamonds brilliance.

CROWN ANGLE: Angle between bezel facets and girdle.

Crown % is a measurement that relates to the depth of the crown to the diamonds overall depth.

GIRDLE THICKNESS: Ranges from extremely thin to extremely thick (assessed visually).

Extremely thin or extremely thick girdles are less desirable than more moderate girdles.

DEPTH %: Measurement of the distance from the table to the culet (bottom-most point). A depth that is too shallow or too deep will allow light to escape through the bottom of the stone, reducing the stones overall fire and brilliance. CULET SIZE: Ranges from pointed to extremely large (assessed visually). Unless the culet is abnormally large, it generally has no impact on the value of a diamond.

SYMMETRY: Refers to the overall uniformity of the cut of a diamond and is graded poor to excellent.

Symmetry is based on the diamonds proportions, the relation of one facet to another. A diamond with good symmetry can be more attractive than a less symmetrical stone.

Stones with poor symmetry can actually appear off-centred.

POLISH: The overall quality and uniformity of the polish of a diamond. It is graded poor to excellent based on the final finish applied to the facets and facet junctures by the cutter. Well-polished diamonds permit maximum passage of light and prevent potentially streaky surfaces.

Getprice.com.au Buying Shopping guides.

Diamonds and It’s Complexion?!

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Undeniably diamonds may present itself in different attractive colors. This makes

them to be very precious because they are very rare. The common color which diamond has which you usually see is white to yellow. The whiter a diamond gets much better.

Nitrogen in diamonds results to its yellow color in appearance. Diamonds with much greater shade of yellow has definitely lesser value. But it shows sparkle when it posses a shade of yellow while when if it is white it shows sparkling shine.

In every rule there will always be exception to it. Just like with canary diamond. What is canary diamond?! Canary Diamond is a diamond which is a bright yellow diamond and much way too expensive. There are some which is very particular

when it comes with the color of a diamond.

Gran Fall Spectrum Colorimeter is used to best judge the color of the stone.

You can use the GIA color grading scale as your guide:

D, E, F: Colorless

G, H, I: Nearly colorless

J, K, L: Slightly yellow

M, N, O: Light yellow

P, Q, R, S, T, U, V, W, X: Darker

yellow(least expensive)

Z: Fancy colors(expensive)

You should be knowledgeable about diamonds. Diamonds has reaction to ultraviolet light which is called Fluorescence. A fluorescence which is a faint one, is better which wouldn’t fog the diamond.

Do you know that a diamonds’ clarity and color compliments each other?! Matching these two is known to be as Corresponding Grading.

Diamond is really very thrilling hobby but I must admit a really expensive one. But if you will not look at its cost but to its worth you will consider it to be a

worthwhile to spend your time and money for. Precious stone such as a diamond is something we people should we aware of. A stone from nature which we should consider a gift. A gift for human kind and for its being.

Marian Alba recommends rings at IceForever for your clarity needs. She is the author of ideal cut.

- White Gold Or Yellow Gold, Which Is Best For Me ?

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Jewelry gold range from light yellow through deep yellow to reds and greens, and also include a family of whites.
Picking up the gold that you like best is the best solution as every person has his or her own taste and it is very important for you to know what suits you the most. However you can go for jewelry made in both white and yellow gold for more classic look that suits on all skin complexions. White gold or yellow gold; the beauty of both depends on the wearer. But you should be destined as to where you buy your precious jewelry. www.diamondocean.com is online manufacturers of diamond jewelry. We offer the highest quality certified diamonds, all attainable and affordable for every customer.

At Diamond Ocean we possess the most exceptional collection of the whole nature of jewelries that one would gild dressed in them. The inventory goes starting from exquisite lovely rings in the direction of desirable shiny pendants before enthralling jewelry toward fascinating costume jewelry, eye catching enchanting bracelets with pretty hanging charms, ravishing jewels, and so on…all with mind blowing designs.

Platinum is the best but if you can’t afford platinum going for a white gold is a wonderful idea. Pick adornment in white gold, studded with a diamond, for a shimmering, eye-catching design. Sparkling diamonds in white gold gives sparkling jewelry. One can choose to pick white gold jewelry to wear with black colored outfit which makes your appearance eye – catching. The contrast of white gold on black highlights the brilliance of the white gold. It can be used to make simple jewelry or can be paired up with different gems and birthstones. White gold can be paired up with any attire and wore at every occasion. Many women find it comfortable to wear white gold to office. Wear sparkling diamonds studded in the sparks of white gold that looks gorgeous especially in an evening party.

White gold refers to an alloy of gold and other white metals such as silver, palladium, or nickel. Pure gold is quite a rich color, quite soft and very malleable. For use in jewelry, gold must be made stronger. Strength is added by making gold part of metals and thus according to ratio they are available in 10 kt, 14kt, 18kt. Generally, the basic metals added to pure gold are silver and copper.

I prefer yellow gold for many reasons; yellow gold is more “rich” in look. I think most stones look ravishing in yellow gold, defining the boundary of diamond, though I also love yellow gold jewelry mixed with white gold making my adornment appealing to wear in all occasion. Shades of Red, Orange or Maroon colour looks gorgeous with yellow gold. While white colored dress goes with both yellow or white gold. Exotic Earrings, bracelets, necklace, pendants, watches, and rings are very popular. Combination of this type of gold and diamonds is the most preferred form of jewelry. Imagine a person wearing jewelry studded in yellow diamond that will reflect the person like the dawn display up with its beautiful day light just after the night has passed. It looks even more attractive when wore during day light. Its yellow reflection over you makes your look rich, precious and even more gorgeous for any one to take away their eye from you.

White gold or yellow gold both defines your personna differently fascinating; both taking your beauty to unbelievable heights…

For a great range Fine jewellery go to
www.diamondocean.com

Diamond Color: Shoppers Buying Guide

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Diamonds can be found in every color of the rainbow from clear, colorless (white) to black as coal. Some colors like blue, red, and green are extremely rare and very valuable. Brown is the most common color of diamond with about 80% of diamonds used for industrial purposes like drill bits and saw blades. For most diamond shoppers, their goal is to find a diamond as white (colorless) as their budget will allow.

Most diamonds suitable for gem use have trace elements of nitrogen that causes some level of yellow tint. The diamond industry uses a color grading system developed by the Gemological Institute of America (GIA) that ranges from D (completely colorless) to Z (fancy yellow color). Each letter grade corresponds to a small range of color and the color grade of a diamond is determined by comparing it to a set of master stones whose color grade has been determined by a grading laboratory like the GIA.

The top three color-grades D, E and F are considered Colorless. Color-grades G, H, I, and J are known as the Near Colorless and color grades K, L and M are labeled Faint Yellow. It is important to have the color grade designated by one of the top diamond grading laboratories such as the GIA (Gemological Institute of America) or AGS (American Gem Society). Color grades on other documentation can be exaggerated and not accurate relative to industry standards.

The bigger the diamond, the more obvious its color will be, just as a carafe of wine shows more color than a glassful. Some shapes of diamonds show more color than others do. Shapes like the princess cut are relatively bottom heavy and have more diamond material to look through. Individuals see shades of yellow differently and some shoppers prefer the warm look of the Near Colorless range rather than the cold, whiteness of the Colorless grades.

Another factor that influences diamond color is fluorescence. About a fourth of diamonds have a characteristic that when exposed to ultraviolet light, they glow a color, usually blue. The fluorescence is no longer visible once the light source is removed. The intensity of the fluorescence can vary from Faint, which is barely visible to Very Strong, which is easily visible in a brightly lighted room. A little blue fluorescence can sometimes make Near Colorless diamonds appear even whiter than their true color. Some very strong fluorescent diamonds appear milky or oily in appearance and thus not as clear. The presence of fluorescence in a diamond generally reduces its value with higher levels of fluorescence reducing the value the greatest.

There are some processes, like High Pressure/High Temperature (HPHT) or irradiation, which can alter the color of a diamond. With certain types of brown diamonds, the HPHT process can produce Colorless or Near Colorless color. With HPHT, other types of brown diamonds can be converted to fancy colors like yellowish-green, greenish-yellow, and even shades of pink or blue. Irradiation can result in a variety of fancy colors, even though they are often visibly different shades than natural colored diamonds.

Yellow is the most common and affordable of the colored gem diamonds. There are four color-grades of yellow diamonds with enough saturation to be rated Fancy Yellow; Fancy Light Yellow, Fancy Yellow, Fancy Intense Yellow and Fancy Vivid Yellow. Each deeper shade brings a higher price.

What do these color grades, fluorescence, and color treatments mean to the diamond shopper? There are many color grades between the top D color and J, which is the bottom of the Near Colorless range, with the price of a D being about double that of J color. Most of the difference in price is at the lower color grades where there is also the most visible difference to the eye. The price increase from a J to I can be about 20% while from an E to D is closer to 2%. Diamond shoppers need to examine diamonds with their own eyes so they can determine what color they will be happy with relative to the price.

Most shoppers find that for well cut round diamonds, I color provides a nice, white color and a good value. Fancy shaped diamonds tend not to be as brightly faceted as the round brilliant cut so H color is an excellent choice for value and beauty. However, some shoppers will prefer and can afford higher colors and other shoppers will choose lower colors based on what they find appealing to their eye and their budget.

Avoid diamonds with high levels of fluorescence or any kind of color enhancement unless you specifically want that, have been properly advised, and are paying the lower corresponding price. Beware of jewelry stores who stock larger number of diamonds with fluorescence or will not show you the GIA grading report before you purchase. A merchant who is hiding these factors from you is certainly not someone you want to trust with your important diamond purchase.

Denny Reinke is the Vice-President of Diamond Source of Virginia, an online diamond retailer specializing in loose diamonds, diamond rings and diamond jewelry located in Richmond, Virginia and on the web at www.DiamondSourceVA.com You can also visit Denny?s blog at www.diamonds.blogs.com

The Four C’s of Diamond Quality

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Perhaps you’ve heard of the “Four C’s” of diamond quality. Each and every unique diamond in the world has its own defining characteristics, and understanding each of them will help you make an informed decision when you come into a Spence Diamonds showroom.


Cut


Nothing is more important to the brilliance and sparkle of a diamond than its cut, as it is responsible for around 40% of a diamond’s price. A well cut diamond will reflect light from one facet to another and back through the top, creating a dramatic sparkling effect that only a diamond can emit. Only the most skilled diamond cutters can shape a diamond with exacting precision, to release its full brilliance, taking into account such factors as proportions, finish, and of course symmetry.


Colour


When examining a diamond, be sure to view it “loose” (unmounted) under a neutral light source, to get the best view of its colour. In the “normal colour” range, the colour of a diamond is rated on a scale that goes from D to Z, with D being the whitest diamond available, and Z being a tinted, light yellow colour. For most jewelry, a colour grade from G to J is usually best.


Why “D to Z?” Before this rating system was invented, diamond professionals used many other symbols (including liberal uses of “A” and “AA”) to rate colour, so the creators of the new system started at D, to avoid any confusion with the outdated ratings systems.


There are also various coloured diamond choices available today, but when you are looking specifically at a white diamond, you should understand how this scale works, and where your diamond of choice is rated on the spectrum. Also, the mounting of a diamond can impact its appearance. A more yellowish diamond will appear whiter next to a gold setting, whereas a white gold setting will make the diamond look less pure if you compare the two side-by-side.


Clarity


The clarity of a diamond refers to the number and nature of inclusions or blemishes that are visible when you view it under a microscope. Some diamond professionals refer to clarity as “purity” or “quality,” but neither of those start with “C,” so we’ll stick with clarity.


A blemish is an imperfection on the surface of a diamond, and an inclusion is a small spot contained within it. Diamonds with little or no imperfections such as these are rarer, and much more valuable. Five factors determine a diamond’s clarity: the size, number, position, nature and “relief” of the inclusions. Relief describes the level of visibility of these imperfections. The clarity scale of a diamond is the easiest to understand: It varies from Flawless, to Internally Flawless, and from there goes to VVS, VS, SI and I. These are easy to understand and remember, because they stand for: Very Very Slightly included, Very Slightly included, Slightly Included, and Included. Each of these designations has varying levels as well, but getting a handle on these will help you understand the importance of clarity in a diamond’s grading.


An “I” rated diamond will have inclusions that are visible to the naked eye, whereas even a skilled diamond expert would need a microscope to see the inclusions in an “SI” diamond. Because of this, diamonds rated “SI” usually represent the best value for your investment.


Important Note: Skilled jewelry makers often mount a diamond so as to mask an inclusion from sight, helping it appear more flawless. Before buying a diamond, be sure to examine it loose under a microscope to get a better idea of its clarity.


Carat


The last and most obvious characteristic that a diamond is measured by is its Carat (abbreviated “ct.”). A carat is a measure of weight, and it takes 142 of them to make an ounce.


Interesting bits of trivia:

You can mail 142 one-carat diamonds with just a single postage stamp (Not that you would want to)!

The majority of diamonds used in jewelry weigh less than one carat.


Obviously, a diamond’s carat weight can have a big effect on its value. When written, carat weights are expressed as decimal numbers: 1.00 ct., 0.48 ct., 1.57 cts., and so on. In a piece which has more than one diamond, often times you will see the total carat weight of the diamonds shown.


At Spence Diamonds, each and every diamond comes with an official Diamond Certificate, which will give you a detailed blueprint of your diamond. Now that you understand the “Four C’s” of diamond grading, you’ll have a better understanding of these certificates, which give you detailed info on all of the factors discussed above, including a “plotting” that shows the exact location of inclusions and blemishes.

Spence Diamonds is Canada’s largest retailer of diamond jewelry. Visit any one of Spence Diamonds’ 7 locations or shop online.