The Gemological Institute of America (GIA) Thailand says that the next Gemstone Gathering, “Meteorites: Heavenly Jewels,” will be presented by Jeffery Bergman, director and founder of Thailand-based Primagem. Bergman is an American gemstone dealer with more than 37 years experience in the mining, cutting, wholesaling and retailing of gemstones and fine jewelry. He will provide [...]
NCDIA offers Natural Color Diamond Seminar Series at GIA Educational Center NYC
The Natural Color Diamond Association (NCDIA) and Gemological Institute of America are inviting industry professionals to learn from experts who share a passion for natural color diamonds, at this first-ever seminar series. On Wednesday, November 18th at the GIA Educational Center on Madison Avenue, John King of the Gemological Institute of America, Steven Hofer of [...]
Gems & Gemology Launches New Electronic Newsletter
Gems & Gemology (G&G), the award-winning quarterly journal of the Gemological Institute of America (GIA), has introduced a new monthly electronic newsletter, the G&G Brief. G&G Brief delivers the latest research updates to professional gemologists worldwide, who want brief articles on topics that have immediate, practical application. “The need for dependable gemological intelligence has never been [...]
GIA Takes Strong Action with Counterfeit Reports
The Gemological Institute of America (GIA) was recently notified of three counterfeit grading reports that accompanied diamonds weighing 3.00 carats (cts.), 4.08 cts., and 5.01 cts., sold to a client in Johannesburg, South Africa. After further investigation, it was found that not only were the reports fraudulent, but at least one of the accompanying diamonds [...]
GIA NAMES TEARLE AS NEW CFO
The Gemological Institute of America (GIA) has officially named David J. Tearle as its new Vice President and Chief Financial Officer (CFO). Tearle replaces Bob Buscher, who recently announced plans to leave the Institute after 13 years to return to the for-profit business arena. Donna Baker, GIA’s President and CEO, said, “We’re very pleased to [...]
GIA Provides Diamond And Colored Stone Services To Coincide With Hong Kong Jewellery & Gem Fair, Rolls Out New GIA Gem Passbook Program
The Gemological Institute of America (GIA) is sending a team of its top gemologists to help its Laboratory Service Center in Hong Kong handle the upswell in laboratory service requests already being generated by the Hong Kong Jewellery & Gem Fair. GIA gemologists will be in Hong Kong for two weeks from Sept. 16-29 to [...]
GIA Details Pink-Red Diamonds During Hong Kong Jewellery & Gem Fair
The Gemological Institute of America’s (GIA) GemFest Hong Kong, held Sept. 23 in conjunction with the annual Hong Kong Jewellery & Gem Fair, will include a lecture by a preeminent GIA researcher on pink-red diamonds. Dr. Wuyi Wang, director of Research and Development, GIA Laboratory New York will deliver the Institute’s latest observations and findings [...]
New GIA Gempassbook For Colored Stone Services Offers Affordable Access To Identification And Origin Reports
The Gemological Institute of America (GIA) has introduced a new “GIA GemPassbook™” for the advance purchase of two of its colored stone identification services: the GIA Identification Report and the GIA Origin Report. Each passbook contains 50 pre-paid GIA GemPasses™ redeemable for identification or country-of-origin services. Identification GemPasses will be priced at US$50 each, while [...]
GIA Researchers Finds that Color-Treated Red Diamonds Can Rival Natural Red Diamonds
A 2.14 ct oval cut diamond recently graded as Fancy red and determined to have undergone color treatment, has led Gemological Institute of America (GIA) Laboratory researchers to conclude that, with careful control of treatment conditions and the proper starting material, a diamond with red color rivaling most natural red diamonds can be achieved. The [...]