Gemological Science International (GSI), one of the largest independently owned gemological laboratories in the world, announced today that it opened its 9th lab in Gaborone, Botswana. “After decades of just mining rough diamonds, Botswana's capital Gaborone now cuts, polishes and...
Personal Experience of: MRS. SEEMA A. ATHAVALE: GSI - CHIEF GEMOLOGIST M.Sc., D.G. FGA (UK), Marine water pearl culture technician, Tuticorin (CMFRI), Tamil Nadu, India. I was carrying out analyses and research work for the degree of Master of Science in...
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....
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.
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.
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.
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.
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.
