Ruby Gemstone | Ruby Stone – GIA

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Ruby

Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.

Ruby

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Heart Shaped Ruby Ring. Ruby is an incredibly durable gemstone if there are no treatment-related durability concerns. - Courtesy Jan Goodman Co. — Ruby is an incredibly durable gemstone if there are no treatment-related durability concerns. - Courtesy Jan Goodman Co.

A large, silky ruby crystal from the Montepuez area of Mozambique, seen in Nampula in September 2009. Photo by Vincent Pardieu/GIA.

Rough ruby grading at Mustang.. Figure 2. Taking a cue from Gemfields, Mustang Resources grades rough rubies into specific quality and size parcels. Photo by Andrew Lucas and Tao Hsu, courtesy of Mustang Resources. — Figure 2. Taking a cue from Gemfields, Mustang Resources grades rough rubies into specific quality and size parcels. Photo by Andrew Lucas and Tao Hsu, courtesy of Mustang Resources.

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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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