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GIA 150
GIA to Hold Synthetics Detection Seminars
The Gemological Institute of America (GIA) will offer a series of seminars this year on advanced detection of lab-grown stones.
News Jun 06, 2018 Rapaport News
IIDGR
Labs Refute Claims HPHT Escaping Detection
Major gemological laboratories have rebuffed claims that detection machines are failing to spot synthetic diamonds that
News Apr 25, 2018 Leah Meirovich
GIA synthetic inscription forgery
GIA Finds Synthetic Diamond with Forged Inscription
Fraudsters forged a Gemological Institute of America (GIA) inscription on a synthetic diamond to make it appear that the stone was
News Nov 13, 2017 Rapaport News
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