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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 Russian Gem-Quality Synthetic Yellow Diamonds
Winter 2011 G&G Lab Notes
Fancy Color Diamond Description
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.
Color Grading of Colored Diamonds in the GIA Gem Trade Laboratory
Visible Absorption Spectra of Colored Diamonds
Fall 2023 Auction Highlights
Large blue and pink diamonds were among the top lots of the fall auction season, including the most expensive auction jewel of 2023.
Carbon Dioxide in a Brown Diamond
Rare Natural Bicolor Diamond
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.
An Important Exhibition of Seven Rare Gem Diamonds
The stories behind seven strikingly beautiful rare natural diamonds, united in an exhibit at the Smithsonian, are told here.
