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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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An Investigation of a Suite of Black Diamond Jewelry
This article reports on the gemological properties of six large black diamonds set in a suite of jewelry.
The Legendary Dresden Green Diamond
In addition to its rich history, the Dresden Green offers an opportunity to gain information about how to distinguish natural from laboratory-irradiated green diamonds.
Grading the Hope Diamond
One of the most popular exhibits at the Smithsonian Institution, the stunning Fancy Dark grayish blue Hope diamond was formally graded by GIA’s gem laboratory.
Detection of Treatment in Two Unusual Green Diamonds
A pair of sharp absorption bands in the near-infrared region, referred to as H1b and H1c, have been detected in one (and the H1b band in the other) of two green diamonds known to have been treated.
An Economic Review of the Past Decade in Diamonds
The diamond industry was buffeted by extreme price volatility during the last decade, unlike any encountered since the Great Depression of the 1930s.
The Gemological Properties of the Sumitomo Gem-Quality Synthetic Yellow Diamonds
Sumitomo Electric Industries is producing gem-quality synthetic yellow diamonds in deep yellow single crystals in sizes up to 2 ct.
Fall 1986 G&G Lab Notes
This section, from the Fall 1986 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
Pink Diamonds from Australia
The author reports on a sudden influx of natural fancy pink diamonds and their origins.
Fancy Color Diamond Description
Fancy Color Diamond Care and Cleaning Guide
Learn about fancy color diamond's durability and how to care for your fancy-colored diamond jewelry.
Fancy Color Diamond History and Lore
While fancy color diamonds have traditionally been a small part of the diamond business, their popularity and availability have grown in the past several decades.
The Magic of Colored Diamonds
Colored diamonds are in the spotlight. They’re routinely breaking records at auction houses. Learn more about these gemological marvels of the rarest order.
