CVD Synthetic Diamonds from Gemesis Corp
An examination of the gemological and spectroscopic properties of CVD synthetic diamonds from Gemesis Corp.
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.
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.
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.
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.
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.
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.
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.
Recent Advances in CVD Synthetic Diamond Quality
A survey of recent advances in CVD synthetic diamond quality.
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.