Tag: gemstone grading

GSI Diamond Certification-usa

GSI the First Diamond Grading Institute to bring International Standards to India participates in the 2nd edition of DDES

Gemological Science International (GSI) one of the world largest gemological organizations participates in the 2nd edition of DDES (Diamond Detection Expo & Symposium) a two-day event which aims to provide a platform for companies offering machines, expertise& equipment for the...

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FTIR Machine

GSI offering cutting edge technology with Quality customer service for the Diamond Sector

Nearly a decade ago, GSI began to develop a ground-breaking diamond screening service by using cutting edge technology for synthetic diamond detection which is now available in India. Founded in 2005 in New York City, GSI provides reliable gemstone identification and grading services,...

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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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