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FANCY COLOR DIAMOND
Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds.

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The Gemological Properties of the Sumitomo Gem-Quality Synthetic Yellow Diamonds
The Gemological Properties of Russian Gem-Quality Synthetic Yellow Diamonds
Fancy Color Diamond Description
Color Grading of Colored Diamonds in the GIA Gem Trade Laboratory
Fluorescence Produced by Optical Defects in Diamond
How variations in UV lamp output can affect observed fluorescence color and intensity.
Acicular Troughs Coincident with Green Stains on Rough Diamond Surface
The author acquired an alluvial rough diamond from Guyana showing unique surficial features that do not appear to have been documented elsewhere.
“Hummingbird” in Orangy Yellow Diamond
Fancy Vivid Yellow HPHT-Grown Diamonds
CVD-Grown Diamond with Unusual Cause of Greenish Color
International Jewelry Tokyo 2024
Spring 2024 Auction Highlights
Characterization and Grading of Natural-Color Pink Diamonds
Known for their great beauty and rarity, pink diamonds have long been sought after by jewelers, collectors, and consumers.









