In order to assess the value of a diamond, laboratories have created a grading system used internationally since the 1950’s. This system is based on the well known 4 Cs, which are used to grade all diamonds, whether colorless or colored.
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href="/blogs/encyclopedia/history-of-diamond-grading">History of Diamond Grading
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href="/blogs/encyclopedia/the-main-laboratories">The Main Laboratories
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href="/blogs/encyclopedia/the-4cs">The 4Cs
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href="/blogs/encyclopedia/fluorescence">Fluorescence
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href="/blogs/encyclopedia/colorless-diamonds-certificates">Colorless Diamonds Certificates
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href="/blogs/encyclopedia/history-of-natural-color-diamond-grading">History of Natural Color Diamond Grading
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href="/blogs/encyclopedia/grading-of-color-diamonds">Grading of Color Diamonds
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href="/blogs/encyclopedia/debates-around-color-grading">Debates Around Color Grading
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href="/blogs/encyclopedia/natural-colour-diamonds-and-the-4-cs">Natural Colour Diamonds and the 4 Cs
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href="/blogs/encyclopedia/fluorescence-2">Fluorescence
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href="/blogs/encyclopedia/how-to-read-a-natural-color-diamond-certificate">How to Read a Natural Color Diamond Certificate
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href="/blogs/encyclopedia/the-allnatt">Allnatt - Fancy Vivid Yellow - 102.29 ct
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href="/blogs/encyclopedia/the-ashberg">Ashberg - Ambre - 102.48 ct
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href="/blogs/encyclopedia/black-orlov-black-67-50-ct">Black Orlov - Black - 67.50 ct
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href="/blogs/encyclopedia/blue-heart-deep-blue-30-82-ct">Blue Heart - Deep Blue - 30.82 ct
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href="/blogs/encyclopedia/blue-moon-fancy-vivid-blue-12-03-c">Blue Moon - Fancy Vivid Blue - 12.03 ct
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href="/blogs/encyclopedia/darya-i-nur-pale-pink-175-19-ct">Darya-I Nur - Pale Pink - 175.19 ct
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href="/blogs/encyclopedia/de-young-red-fancy-dark-reddish-brown-5-03-ct">De Young Red - Fancy Dark Reddish Brown- 5.03 c
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href="/blogs/encyclopedia/dresden-green-fancy-green-41-00-ct">Dresden Green - Fancy Green - 41.00 ct
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href="/blogs/encyclopedia/florentine-light-yellow-139-00-ct">Florentine - Light Yellow - 139.00 ct
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href="/blogs/encyclopedia/golden-jubilee-gold-brown-755-50-ct">Golden Jubilee - Gold Brown - 755.50 ct
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href="/blogs/encyclopedia/graff-imperial-blue-fancy-blue-39-81-ct">Graff Imperial Blue - Fancy Blue - 39.81 ct
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href="/blogs/encyclopedia/graff-pink-fancy-intense-pink-24-78-ct">Graff Pink - Fancy Intense Pink - 24.78 ct
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href="/blogs/encyclopedia/grand-conde-fancy-pink-9-01-ct">Grand Condé - Fancy Pink - 9.01 ct
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href="/blogs/encyclopedia/great-chrysanthemum-golden-brown-104-15-ct">Great Chrysanthemum - Golden Brown 104.15 ct
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href="/blogs/encyclopedia/gruosi-black-115-34-ct">Gruosi - Black - 115.34 ct
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href="/blogs/encyclopedia/hope-sapphire-fancy-dark-grayish-blue-45-52-ct">Hope - Sapphire - Fancy Dark Grayish Blue - 45.52 ct
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href="/blogs/encyclopedia/hortensia-light-orangey-pink-20-53">Hortensia - Light Orangey Pink - 20.53
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href="/blogs/encyclopedia/fancy-brownish-yellow-407-48-ct">Incomparable - Fancy Brownish Yellow - 407.48 ct
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href="/blogs/encyclopedia/mouna-intense-yellow-112-53-ct">Mouna - Intense Yellow - 112.53 ct
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href="/blogs/encyclopedia/moussaieff-red-red-5-11-ct">Moussaieff Red - Red - 5.11 ct
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href="/blogs/encyclopedia/orlov-slightly-bluish-green-189-60-ct">Orlov - Slightly Bluish Green - 189.60 ct
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href="/blogs/encyclopedia/porges-yellow-78-53-ct">Porges - Yellow - 78.53 ct
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href="/blogs/encyclopedia/princie-intense-pink-34-65-ct">Princie - Intense Pink - 34.65 ct
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href="/blogs/encyclopedia/pumpkin-vivid-orange-5-54-ct">Pumpkin - Vivid Orange - 5.54 ct
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href="/blogs/encyclopedia/red-cross-canary-yellow-205-07-ct">Red Cross - Canary Yellow- 205.07 ct
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href="/blogs/encyclopedia/tereschenko-blue-42-92-ct">Tereschenko - Blue - 42.92 ct
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href="/blogs/encyclopedia/tiffany-canary-yellow-287-42-ct">Tiffany - Canary yellow - 287.42 ct
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href="/blogs/encyclopedia/wittelsbach-dark-blue-35-50-ct">Wittelsbach - Dark Blue - 35.50 ct