As reported in Diamond Digest magazine: Gemological Science International (GSI), a New York Head Quartered independent gemological laboratory that provides professional gemstone identification, grading and appraisal services to the fine jewelry industry introduces professional mobile lab equipment to India -...
Gemological Science International (GSI), a New York Head Quartered independent gemological laboratory that provides professional gemstone identification, grading and appraisal services to the fine jewelry industry introduces professional mobile lab equipment to India - Mobilab™ A breakthrough initiative and an...
Gemological Science International (GSI), a New York Head Quartered independent gemological laboratory that provides professional gemstone identification, grading, and appraisal services to the fine jewelry industry participated in the India International Jewelry Signature Show, 2013. At this premier industry platform,...
After launching in Mumbai at BKC; Andheri and Goregaon GSI is now set to expand its footprint down south with a cutting-edge laboratory in Thrissur, Kerala. The GSI Kerala laboratory was inaugurated by none other than the respected Mayor Shri...
The Responsible Jewellery Council (RJC) announced that Gemological Science International (GSI), a leading international gem laboratory, has achieved certification by meeting the highest ethical, social and environmental standards established by the RJC’s Member Certification system. “RJC warmly congratulates GSI on...
Gemological Science International (GSI), a leading international gemological laboratory, has “adopted” a major jewelry street in Mumbai to give back to the local community and to initiate a widespread street-cleaning effort. On August 8, GSI employees, together with municipal employees...
Gemological Science International (GSI), the third-largest gemological laboratory in the U.S., recently opened a satellite office in Israel. Located in the Diamond Tower in Ramat Gan, GSI Israel is the latest in the company’s expansion, according to CEO Mark Gershburg....
Gemological Science International (GSI) announced that it will donate a portion of the proceeds from its VirtualVault™ to the Jewelers for Children. “We have supported Jewelers for Children since our firm’s inception, because we believe in giving back part of...
Gemological Science International (GSI) announced today that it is making its unique diamond light analysis service, called PhotoSpeX™, available to more of its customers as of October. According to GSI President/CEO Mark Gershburg, PhotoSpeX™ was introduced at the end of...
Four years ago, Gemological Science International (GSI) built the most customer-focused, technologically advanced laboratory and website in the gem lab industry, according to its Executive Vice President Debbie Azar. "As our reputation among the trade and consumers has grown, that...
GSI is headquartered in New York, NY. It has 13 laboratories on four continents and in a number of countries: the United States, India, Dubai, Israel, Belgium, Hong Kong, and Botswana. This makes GSI one of the largest independent gemological organizations in the world.
All GSI laboratories grade using the same methods and adhere to the same standards. Every laboratory is staffed with highly trained professionals who have years of grading experience and an extensive gemological background.
The phrases “GSI Certificate” and “GSI Certified” are industry shorthand for GSI grading or identification reports. What this means to you is that expert gemologists and trained professionals meticulously evaluated the item. When your diamond, jewelry or gemstone is accompanied by a GSI grading report, you can be completely confident in the accuracy and objectivity of the evaluation.
GSI diamond grading and identification reports can be found in jewelry stores worldwide and online. Insist on a GSI grading report when shopping for a diamond, jewelry or gemstone.
Every GSI grading report is available on our website. Please visit gemscience.net and go to “verify your report”. Enter your GSI report number and you’ll instantly have access to a digital copy of it. You can also email us through the website to request a copy.
