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Your Guide to Beautiful Colored Diamonds and Most Desirable Diamond Shapes and Cuts

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In the world of diamonds, fancy color diamonds are as rare as unicorns. If you can imagine a rainbow of color – pink, blue, red, green, yellow – come to life in an object of rare beauty, then you have been as enchanted as we are by natural fancy color diamonds. Here is your guide to beautiful colored diamonds:

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1 Blue Diamonds• Natural fancy blue diamonds are very rare, and nothing to feel blue about.

• They often appear with grey, black and green secondary hues, due to the presence of trace elements of boron (in the case of the former two secondary hues) and nitrogen (in the case of the latter).

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2 Pink Diamonds• We feel pink about pinks, which acquire their color due to a naturally-occurring realignment of the diamond crystal during its formation.

• They are often accompanied by secondary hues such as red, orange and purple, making purely pink diamonds very rare. Most pinks originate in Rio Tinto’s Argyle mine in Northwest Australia.

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3 Yellow Diamonds• Natural yellow diamonds are popular the world over due to their pleasing hue and “sunny” disposition. Also known as canary diamonds (without the chirp of a real canary), their intensity spans seven steps from faint to deep.

• They acquire their yellow color because of the presence of nitrogen during their formation.

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4 Orange Diamonds• Natural orange diamonds, unlike natural oranges, do not have vitamin C; but they are extremely rare and acquire their color due to a particle structure of the carbon atoms that make up the stone, as well as the presence of nitrogen.

• Orange diamonds often have secondary hues, including red and yellow, making a pure natural orange diamond a true collector’s item.

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5 Green Diamonds• You’ll be green with envy gazing at natural green diamonds, which acquire their color because of exposure to radiation during their formative process.

• Green diamonds of pure color (no secondary hue) are extremely rare, second only to pure natural red diamonds as the most exotic stones in the world.

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6 Champagne Diamonds• Natural brown diamonds occupy a more affordable position on the color diamond value spectrum. At one time, these stones were less popular, but thanks to a marketing effort spearheaded by Rio Tinto, whose Argyle mine is their predominant source, they have soared in desirability, and in value. • Natural brown diamonds are playfully identified as cognac (for light brown), champagne (for medium brown) and chocolate (for dark brown) diamonds, and if you owned one, there would definitely be something worth toasting.

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7 Chameleon Diamonds• These stones are the unicorns of the fancy color diamond family because they defy one of diamonds’ ironclad properties: the immutability of their color. • Chameleon diamonds have the ability to temporarily change their color, catalyzed by either a reaction to temperature or light, depending on the type of Chameleon stone in question. • Chameleon diamonds always appear in some sort of color combination (usually some combination of green, yellow, brown and/or gray) and are never found in either a pure color or marked as intense or vivid. For all our science, we still do not know exactly why this phenomenon occurs, making Chameleons extremely rare and valuable.

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8 Violet/Purple Diamonds• Natural violet, or purple, diamonds are extremely rare in their pure color form, and almost always appear with a secondary hue, usually blue or grey.

• Their unique color occurs because of the presence of hydrogen during their formation. These rare gifts of nature originate in Australia’s Argyle mine.

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9 Red Diamonds• Natural red diamonds are absolutely the rarest stones in the world. If you see one firsthand, you’re one of a very rare breed. • Red diamonds are almost never seen in their pure color form, almost always appearing with secondary hues such as purple and brown.

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10 Grey Diamonds• Documented in existence since Ancient India, what grey diamonds lack in traditional sparkle they more than make up for in unusual silver tones.

• Like the different stark expressions of an overcast day, grey diamonds are uncommonly elegant.

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11 Black Diamonds• Natural black diamonds are striking in their onyx-like appearance. To find a stone with a natural black hue (in other words, untreated) is very rare, making these stones highly valuable.

• Natural black diamonds are often found with secondary hues, such as blue or violet.

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Diamond Shape• Diamonds are like snowflakes – no two are exactly alike – and that extends to the variety of shapes into which diamonds are cut.

• Please take a moment to peruse some of the more popular forms that will soon captivate your eye, or better still, grace your finger.

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Asscher Cut• These stones, also known as square Emerald cuts, are step-cut with cropped corners, giving them an almost octagonal appearance.

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• When you peer into an Asscher Cut, you are looking through the entirety of the stone, lending it a very open and bright appearance.

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Round Brilliant Cut• The Round Brilliant Cut is the most popular shape seen in diamonds today.

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• With 58 facets (including the culet), this cut is designed to maximize light performance and return exceptional brilliance, making it the most likely contender to be found in the center of an engagement ring.

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Cushion Cut• The Cushion Cut is a marriage of the traditional and the new. It is a hybrid form of the classic “Mine Cut”, popular over a century ago, and the modern Oval Cut.

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• It may be called a cushion, but please don’t try to use it as one!

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Emerald Cut• As beautiful for the precision of its cut as for its aesthetic appeal, the Emerald Cut boasts high transparency of appearance and clarity.

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• Originally used to cut emeralds, this technique works especially well on diamonds with few noticeable inclusions. And people will be “green” with envy if they see you wearing one.

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Marquise Cut• The Marquise Cut is basically an elongated round, making it look like an eye and if you stare at it hard enough it just may blink at you.

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• Its distinctive shape is designed to “cut out” natural inclusions and maximize the appearance of the stone.

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Oval Cut• If you’re looking for a stone that’s similar to a round but slightly more distinctive, this shape might be for you.

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• Essentially a modified Round Brilliant Cut, the Oval is perfect for anyone who likes the scenic view when you take the long way ‘round.

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Pear Shape• Bite into this stone at your own risk, because the only thing in common it has with the fruit is its name.

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• Delivering exceptional light performance and boasting 58 facets (like a Round Brilliant Cut in both cases), a Pear Shape diamond will get you noticed because of its unique form and unforgettable brilliance.

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Princess Cut• Princess Cuts are square-cut diamonds that are slightly misnamed because wearing one will make you feel like a queen.

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• Because of their faceting structure and design, these are extremely transparent stones with a big, open appearance. Princesses usually produce the best light performance of the square- cut family of stones.

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Radiant Cut• A blend of square and round, a Radiant Cut is a fusion of the traditional Round Brilliant Cut and Emerald Cut.

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• It was designed to produce an unconventional shape while retaining the exquisite natural properties of its “parent” cuts. See for yourself if this cut makes you radiate.

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