As a leading educational institute, GIA helps educate the next generation of gem and jewelry professionals in gemology, jewelry design and jewelry manufacturing arts.

GIA is adding a report comment employing the trade color term “Peacock” for designated colors of cultured pearls from the Pinctada margaritifera black-lipped pearl oyster, commonly known as Tahitian pearls.

Experience the world of gemology in person with GIA at Couture and JCK Las Vegas.

The GIA laboratory in Ramat Gan, Israel, will end operations by the end of 2024 due to changes in the global diamond industry that resulted in significant declines in submissions from local clients over the last several years.

GIA, the leading institute for research into diamonds, colored stones and pearls, recently evaluated a diamond ring cut from a single laboratory-grown diamond.

Dr. Rodney Ewing, a member of the GIA Board of Governors from 2006 to 2015, passed away earlier this month at age 77.

GIA will temporarily expand services offered by the GIA Laboratories DMCC and the GIA Hong Kong laboratory.

GIA is now offering printed AGS Ideal® Reports.

The Gemological Institute of America (GIA), the leading gemological grading and identification organization, is now offering a lower-cost GIA Laboratory-Grown Diamond Report - Dossier.

GIA will launch revised evaluation services for D-to-Z laboratory-grown diamonds on October 1

GIA will return to producing printed GIA Diamond Dossier reports beginning April 9.

During routine color stability testing of sapphires, GIA experts observed an unusual gain of orange or yellow coloration to a padparadscha-like color or even to pure orange.

GIA, the leader in gemological research, education and science-based gem identification and grading services, is expanding its gem origin services to provide retailers and consumers with the diamond source information they demand.

“Understanding our impact on the environment, societies and communities in which we operate is integral to our important consumer protection mission,” said GIA President and CEO Susan Jacques, speaking about the launch of the first GIA sustainability report on Friday, June 2, at the JCK Las Vegas show.

GIA, the leader in gemological research, education and science-based gem identification and grading services, is expanding its gem origin services to provide retailers and consumers with the diamond source information they demand.

100 GIA researchers, leading academics, independent industry experts and GIA Governors and executives met in person and virtually at GIA’s global headquarters in Carlsbad, Calif., November 1-3 for the Institute’s 16th annual research meeting.

At their recent Board meeting at the Institute’s California headquarters, the GIA Board of Governors welcomed two new Governors, new Chair and Vice Chair of the Board, and said goodbye to four departing members.

CARLSBAD, Calif. – Feb. 23, 2021 – Recently, GIA (Gemological Institute of America) encountered a number of stones that were submitted for updated reports or verification services that did not match the GIA report submitted with them. The newly-submitted stones were either laboratory-grown diamonds or treated natural diamonds, falsely inscribed with GIA report numbers.