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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
GIA Finds Moissanite Disguised as Diamond 150
GIA Spots Moissanite Posing as Rough Diamond
The Gemological Institute of America (GIA) has identified a synthetic moissanite stone that had been submitted to one
News Feb 11, 2018 Rapaport News
GIA 150
GIA Unveils Plans for Labs in Surat and Antwerp
The Gemological Institute of America (GIA) will this year open a laboratory in Surat, and expand its operations
News Jan 09, 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
Gübelin Gem Lab
Gübelin Lab Makes U.S. Presence Official
Gübelin Gem Lab has launched a permanent location in New York as part of a global expansion program that has
News Jan 22, 2017 Rapaport News
man made
IGI Certifies 10-Carat Diamond Grown With New Technology
The International Gemological Institute (IGI) Hong Kong certified lab-grown, 10.02-carat, E, VS1, type IIa, square, emerald-cut
News May 26, 2015 Jeff Miller
Blom: Open Letter Regarding Over-Grading Certification
Press Release: The following is an open letter to the trade from Ernie Blom, the president of the World
Press Release Nov 21, 2014 Ernie Blom
IGI Launches Jaipur Testing Laboratory, Education Institute
Press Release: International Gemological Institute (IGI) – a pioneer in diamond and gem testing services with an unmatched school
Press Release Aug 12, 2014 IGI
ruby diamond ring
Gubelin Adds New Disclosure Option for Gemstone Reports
The Gubelin Gem Lab is launching a new option that it calls the ''next generation" of disclosure for laboratory-issued
News Jul 23, 2014 Jeff Miller
IGI Mumbai Education Program Broadens Gemology for Young Gemologists
Press Release: The International Gemological Institute (IGI) – the world’s largest independent laboratory for testing and
Press Release Jun 09, 2014 IGI
Press Release
HRD Antwerp & Rapaport Announce Laboratory Take-In Service
PRESS RELEASE, May 12, 2014, New York: HRD Antwerp and the Rapaport Group are pleased
Press Release May 12, 2014 Rapaport & HRD
GIA Welcomes Its First Postdoctoral Associate to New York Lab
Press Release: Continuing its decades-long history of advanced gemological research and education, the Gemological Institute of America
Press Release Feb 05, 2014 GIA
RapLab Launches Synthetic Diamond Detection Services
PRESS RELEASE, November 26, 2013: RapLab, a Rapaport Group company, is now offering synthetic diamond detection services to the diamond trade. The service
Press Release Nov 26, 2013 Rapaport
IGI's Grading Reports Offer Spanish, Portuguese Formats
Press Release: The International Gemological Institute (IGI) today announced the expansion of its diamond report series
Press Release Aug 19, 2013 IGI
Harry Kotlar & Co. Selects AGS for Kotlar Cushion Diamond Grading Reports
Press Release: Los Angeles-based fine jewelry manufacturer and diamond dealer Harry Kotlar & Company announces that it has selected the American
Press Release Apr 22, 2013 Harry Kotlar & Co.
GIA Opens Grading Laboratory in Japan
The Gemological Institute of America (GIA) has opened a grading laboratory ‎in Tokyo, Japan, marking a ninth global
News Dec 03, 2012 Deena Taylor
DMIA Calls for Action to Prevent Synthetics from Entering the Market Disguised as Natural
The Diamond Manufacturers & Importers Association of America (DMIA) called upon domestic and international organizations, grading laboratories, governments and law enforcement
News May 30, 2012 Jeff Miller
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