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Fake green rough diamond
GIA Exposes Rough Diamond with Fake Green Color
Manufacturers coated a rough diamond with a green substance to imitate a natural color, the Gemological Institute of America (GIA)
News Aug 19, 2019 Rapaport News
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 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 ruby overgrowth
GIA Spots Lab-Grown Ruby Layer on Natural Stones
Attempts to upgrade the size and color of gemstones using a layer of synthetic material have been around for
News Mar 19, 2018 Rapaport News
GIA Career Fair 2013
GIA Opens Applications for $2M of Scholarships
The Gemological Institute of America (GIA) is offering more than $2 million in scholarships for its 2018 education programs,
News Aug 02, 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 Grading Report
GIA Seeking Diamond Researchers
The Gemological Institute of America (GIA) is calling on qualified researchers to apply for full-time academic research in mineralogy, geology,
News Jan 05, 2017 Rapaport News
GIA
GIA Invalidates 1,000+ Grading Reports After Hackers Alter Data
GIA has invalidated grading reports for 1,042 diamonds submitted primarily to its India grading laboratory after
News Oct 24, 2015 Rapaport News
dreher
GIA Museum Displays Intricate Animal Carvings by Dreher
More than 20 intricately carved and lifelike animal sculptures by gemstone carvers Gerd and Patrick Dreher will
News Jan 29, 2015 Jeff Miller
GIA
GIA Opens Recruiting Registration for Oct. Career Fair
Press Release: The Gemological Institute of America (GIA) opened recruiter registration for its upcoming jewelry career
Press Release Sep 05, 2014 GIA
GIA
ASA, GIA Develop Pilot Course: Advanced Diamond Grading
Press Release: The American Society of Appraisers (ASA) is pleased to announce its partnership with the Gemological Institute
Press Release Apr 26, 2013 ASA
GIA New
GIA Hosts Career Fair in Carlsbad
The Gemological Institute of America (GIA) will host its Jewelry Career Fair in Carlsbad, California on October 5. GIA’s
News Sep 04, 2012 Jeff Miller
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