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GSI Diamond Certification-usa

GSI Inaugurates Lab in Surat

        Gemological Science International (GSI) a full-service, high-tech lab designed specifically to meet the rapidly changing needs of the jewelry industry, inaugurated its new laboratory in Surat at the Varacha Road, Diamond Complex on 15th December 2014....

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GSI Expands National Footprint… Inaugurates Kerala Laboratory

GSI Expands National Footprint… Inaugurates Kerala Laboratory

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...

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GSI Opens Satellite Office in Israel

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....

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FAQ

Where is Gemological Science International (GSI) located?

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.

Is there a difference between grading reports issued by different GSI laboratories?

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.

What does it mean when a sales associate tells me my diamond is “GSI Certified” or is accompanied by a “GSI Certificate”?

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.

Where can I find “GSI Certified Diamonds”?

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.

What do I do if I lose my GSI Diamond Report?

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.

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