Fancy Black Diamond Gia

Ordinary black diamond is not greatly unlike black sealing wax opinions differ as to its virtues as a gemstone.

Fancy black diamond gia.

Specializes in natural fancy black diamonds black diamond jewelry. These fancy color diamonds are distinctive since the causes of color generally are not atomic scale defects but nanometer to micrometer sized inclusions that reduce the diamond s transparency by scattering or absorbing. Now prized as fancy blacks natural color black diamonds were historically held in low regard. Discover our collection of fancy color diamonds.

The opaque color of black diamonds is caused by dark inclusions or more commonly by color treatment. Most black diamonds are treated to become a green that s so dark it appears black but not opaque. Sutton wrote in his 1928 book diamond. Natural fancy white and fancy black diamonds are not routinely submitted to gia for grading fewer than 2 000 since 2008.

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