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GIA Examines 34 59 Carat CVD Laboratory-Grown Diamond

GIA Examines 34 59 Carat CVD Laboratory-Grown Diamond
diamondworld.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from diamondworld.net Daily Mail and Mail on Sunday newspapers.

Hong kongUnited statesYu poonElina myagkayaTom mosesWuyi wangStephanie persaudHong kong laboratoryGemological institute of americaGemological instituteEthereal green diamondWing tamRecord size4 59 carat cvd laboratory grown diamondDiamondworld net

From Gray to Yellow at -320F: Introducing the Color-Changing Cryogenic Diamond

From Gray to Yellow at -320F: Introducing the Color-Changing Cryogenic Diamond
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New yorkUnited statesPaul johnsonStephanie persaudJohn jeffayGemological institute of americaDepartment of researchFrom grayColor changing cryogenicGemological instituteNew scientist

Scientists discover a colour-changing diamond that transforms from grey to yellow when it is extremely cold

Scientists discover a colour-changing diamond that transforms from grey to yellow when it is extremely cold
panorama.am - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from panorama.am Daily Mail and Mail on Sunday newspapers.

United statesStephanie persaudGemological institute of americaGemological institute

Scientists discover a colour-changing diamond that transforms from grey to yellow

The discovery was made by Stephanie Persaud at the Gemological Institute of America in Carlsbad, California. She was grading diamonds for clients when she noticed the cryogenic diamond .

New yorkUnited statesFrance generalPaul johnsonStephanie persaudLisa bissellGeorges halphenOleg kovalchukGemological institute of americaGeological society of americaDevelopment geological enterpriseGemological instituteNew scientistGeological societyRussian matryoshkaDeputy director

Diamonds: Chameleon gemstones change colour when chilled in liquid nitrogen

Diamonds that change colour when heated or kept in the dark have been known since 1866, but now there is a third kind of chameleon gem

Jae liaoStephanie persaud