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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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Radiant Cut

The radiant cutting style helps intensify a fancy colored diamond’s color.

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Beyond Z

Diamonds with more yellow than GIA’s Z grade are considered fancy color.

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Color is Value

Subtle color differences impact the value of a fancy colored diamond.

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Octahedral Form

Beautifully formed octahedrons might become collectors' treasures.

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Crystal Faces

Diamond crystal faces show cutters how to get the best weight retention.

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Uneven Color

The color in rough diamond might not be evenly distributed in the rough.

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Gemology (11)
Treatment Process (6)
Identification (4)
Color (2)
Inclusions (2)
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Trade (2)
Quality Factors (1)
XClear Selections
Three beautiful rings are clustered near four loose diamonds. All pieces include green diamonds of different shades.
Image of Melee Diamonds from Russia's Lomonosov mine featured on the Spring cover of Gems & Gemology
Diamond with concentric octahedral growth layers.
The oval-shaped Argyle Violet diamond sits on a textured brown, purple and blue surface.
The 50.05-carat, D-color, Flawless briolette-cut diamond is from Diacore. Courtesy of Diacore. Photo by Robert Weldon/GIA
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Fancy Color Diamonds
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John King: Hue, Tone, and Saturation
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All photos remain under the ©Gemological Institute of America copyright and may only be used with permission. More Copyright Information
This Month's

Featured Gems

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Peridot

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.
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Fancy Color Diamond

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.
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Diamond

Diamonds are among nature’s most precious and beautiful creations.
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Emerald

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
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Citrine

Citrine is the transparent, pale yellow to brownish orange variety of quartz.

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