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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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Winter 2011 G&G Lab Notes
This section, from the Winter 2011 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Gray-To-Blue-To-Violet Hydrogen-Rich Diamonds from the Argyle Mine, Australia
The Argyle diamond mine is the only known source of type IaB hydrogen- and nitrogen-rich diamonds colored gray to blue to violet.
Fall 1987 G&G; Lab Notes
Fall 1988 G&G; Lab Notes
This section, from the Fall 1988 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Summer 1988 G&G; Lab Notes
This section, from the Summer 1988 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Summer 1989 G&G; Lab Notes
This section, from the Summer 1989 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
Winter 2008 G&G; Lab Notes
This section, from the Winter 2008 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 2009 G&G; Lab Notes
Winter 2010 G&G; Lab Notes
Fall 1983 G&G; Lab Notes
This section, from the Fall 1983 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Fall 2002 G&G Lab Notes
This section, from the Fall 2002 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1985 G&G; Lab Notes
This section, from the Winter 1985 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
