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Faceted CVD Synthetic Diamonds
CVD Synthetic Diamonds from Gemesis Corp

An examination of the gemological and spectroscopic properties of CVD synthetic diamonds from Gemesis Corp.

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Gem-Quality Synthetic Diamonds Grown by a Chemical Vapor Deposition (CVD) Method

Brown-to-gray and near-colorless single-crystal type IIa synthetic diamonds grown.

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Rough Synthetic Gem-quality Diamond Crystals
Identifying Gem-Quality Synthetic Diamonds: An Update

Synthesized gem-quality diamonds from the General Electric Company are analyzed for characteristics that distinguish them from natural stones.

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De Beers near Colorless-to-Blue Experimental Gem-Quality Synthetic Diamonds

De Beers has produced a faceted synthetic gem-quality diamond that could go unrecognized without careful gemological testing.

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Diamonds Protrude from Broken Eclogite Xenolith
Age, Origin, and Emplacement of Diamonds: Scientific Advances in the Last Decade

Although certain concepts about the age and formation of diamonds have been known for some time, this overview of advances over the decade leading up to the early 1990s have expanded the scientific understanding of this fascinating topic exponentially.

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11.14-ct Synthetic Diamond Crystal
The Gemological Properties of the De Beers Gem-Quality Synthetic Diamonds

Examination of a group of 14 brownish yellow, yellow, and greenish yellow synthetic diamonds reveals distinctive gemological properties.

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Identification of Synthetic Diamond Grown Using Chemical Vapor Deposition (CVD)

This article presents information about the CVD process, the history of its development, and properties that differentiate the resulting synthetic crystals from natural diamond.

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Identification of HPHT-Treated Yellow to Green Diamonds

Greenish yellow to yellowish green HPHT-treated diamonds exhibited highly saturated body color, well-defined brown to yellow octahedral graining, and visual evidence of heating, among other characteristics.

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0.20 ct CVD Synthetic Diamond Pendant
Recent Advances in CVD Synthetic Diamond Quality

A survey of recent advances in CVD synthetic diamond quality.

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Latest-Generation CVD-Grown Synthetic Diamonds from Apollo Diamond Inc.

High-quality CVD-grown diamonds, comparable in color and clarity to natural diamonds, can be identified using a combination of gemological and spectroscopic properties.

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