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GSI To Host Day Long Free Jewelry Design Workshop at Center Of Excellence Gem & Jewelry Institute Kolhapur

Gemological Science International (GSI) will host a free jewelry design workshop at Centre of Excellence Gem & Jewellery Institute at Kolhapur. Available exclusively to students, thought courses, practical techniques for jewelry design including drafting, shading, design theory, and how to...

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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's 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...

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GSI diamonds lens grading

GSI Successfully Concludes First Batch of Diamond Grading Course at Mumbai

Mumbai, India - October 2015, Gemological Science International, (GSI), one of the world’s leading gemological labs, is pleased to announce that it has successfully concluded its first batch of Diamond Grading Fundamentals course on the 12th September 2015 at its...

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GSI KNOWLEDGE CENTER – A New Revolution in Education in Surat & Mumbai

GSI KNOWLEDGE CENTER – A New Revolution in Education in Surat & Mumbai

“An investment in knowledge always pays the best interest” – Ben Franklin Beginning in July 2015, Gemological Science International (GSI), one of the world’s largest Gemological laboratories, will launch its newest innovation featuring diamond education services. GSI Knowledge Center offers...

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GSI KNOWLEDGE CENTER – A New Revolution in Education in Surat & Mumbai

GSI Helps You Understand the 4Cs of Diamonds and More… Hosts Workshop at IIJS Signature 2013, Mumbai

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,...

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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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