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Showing 34 results for "chameleon diamonds"
Gemesis Laboratory-Created Diamonds

High-quality synthetic diamonds created by the Gemesis Corp. are examined and their gemmological properties are explicated.

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

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

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A woman sits in front of a computer screen with the DiamondView to her right.
Article
Inside De Beers’ Lightbox Diamonds

GIA researcher analyses and confirms that De Beers’ Lightbox diamonds are grown using the chemical vapour deposition process.

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Faceted CVD Synthetic Diamonds
CVD Synthetic Diamonds from Gemesis Corp

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

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10.08 ct HPHT synthetic diamond with color equivalent to Fancy Deep blue
Blue HPHT Synthetic Diamond Over 10 Carats

Results from GIA’s recent testing of a 10.08 ct blue HPHT synthetic diamond, the largest HPHT synthetic recorded to date.

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Article
Transparent, Faceted Nano-Polycrystalline Synthetic Diamond

A preliminary examination of a new highly transparent synthetic diamond material not produced by CVD or traditional HPHT diamond synthesis methods.

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0.45 ct Pink CVD Labgrown Diamond
Strongly Coloured Pink CVD Lab-Grown Diamonds

Pink CVD lab-grown products can be separated from natural and treated-colour natural pink diamonds by a combination of gemmological and spectroscopic properties, which are explored in this study.

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Identification of HPHT-Treated Yellow to Green Diamonds

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

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

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

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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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