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GIA HPHT
Undisclosed Green Synthetics Raise GIA Eyebrows
Twenty-five undisclosed lab-grown diamonds have turned up at the Gemological Institute of America (GIA) — including several with a rare
News May 26, 2019 Rapaport News
GIA
GIA Sheds Light on De Beers’ Synthetics
Two white lab-grown diamonds from De Beers’ Lightbox brand have G color and VS clarity, the Gemological Institute
News Feb 07, 2019 Joshua Freedman
GIA mistaken
‘Lab-Grown’ Diamond Turns Out to Be Natural
A client of the Gemological Institute of America (GIA) wrongly submitted a natural diamond as a lab-grown stone, the organization said.
News Feb 06, 2019 Rapaport News
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