Gemological Science International (GSI) announced today that the Emirates International Accreditation Centre (EIAC) approved GSI’s Dubai laboratory accreditation. The accreditation is valid not only in Dubai where the GSI laboratory is located, but in all seven United Arab Emirates. GSI…
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GSI was the first in the world to begin testing of smaller size diamonds in bulk and has never looked back since – Mark Gershburg
Mr. Mark Gershburg in an exclusive interview with Rough & Polished – Team Asia and Russia. With more than 30 years of experience in the gem lab sector under his belt, Mark Gershburg is an industry veteran widely popular in…
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,…
GSI offers highly customized grading reports and materials to help support branded programs for both retailers and manufacturers.
💎 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.