Tag: diamond grading guide

GSI Diamond Certification-usa
Mark Gershburg, CEO of GSI

The Future and Importance of Education in the Gems and Jewelry Industry

Mr. Mark Gershburg, Founder- GSI, in an exclusive interview with The New Jeweller Group -   *Dear Mr. Mark, According to you how important is “Education” for the gems and jewelry industry members, especially in a competitive environment that the...

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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 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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GSI Offers First “Combined” Grading and GemEx Light Performance Analysis Report

“Utopia,” Says One GemEx User About the Innovative Joint Report Gemological Science International (GSI) and GemEx have introduced a combined report that offers the classic 4Cs, plus other physical features of the diamond, along with the resultant benefits of those...

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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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