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Diamond swapping
Trade ‘Blind to Diamond-Swapping Threat’
Diamond dealers are failing to protect themselves against stone-swapping, and are instead waiting until an expensive loss
News Aug 15, 2018 Joshua Freedman
Pink Synthetic 150
GIA Grades ‘Largest’ Lab-Grown Pink
The Gemological Institute of America (GIA) has graded a 5.01-carat lab-grown diamond that, its producer claims, is the
News Jul 04, 2018 Rapaport News
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
WD synthetic 150
9ct. Synthetic Stone Sets ‘World Record’
WD Lab Grown Diamonds has created what it claims to be the world’s largest known synthetic diamond made using
News May 27, 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
China synthetic diamond 150
Lab Finds 3ct. Synthetic with Fake Report
A grading laboratory in China has discovered a synthetic diamond masquerading as a natural stone, complete with a forged inscription and
News Apr 15, 2018 Joshua Freedman
Diamond stock photo
US Lab Creates 6ct. CVD Synthetic
WD Lab Grown Diamonds has created and sold a round, 6-carat synthetic diamond that it claims is the first
News Feb 01, 2018 Rapaport News
Chinese Grading Lab 150 120617
Lab Spots Stone with CVD Coating
A Chinese gemological laboratory has identified a well-concealed synthetic-diamond coating that bolstered the size of a small natural stone.
News Dec 07, 2017 Rapaport News
Pink GIA diamond CVD H4 defect
GIA Finds Baffling Flaw in CVD Diamond
The Gemological Institute of America (GIA) doesn’t usually declare itself stumped, but a recent discovery of a flaw in a synthetic
News Jul 02, 2017 Joshua Freedman
GIA hybrid diamond
GIA Spots Natural Diamond with CVD Blue Layer
The Gemological Institute of America (GIA) has found a natural diamond with a synthetic coating that tints it blue
News May 04, 2017 Rapaport News
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