Testing and screening in high demand at GSI’s new Hong Kong facility GSI, one of the largest gemological organizations in the world, will provide diamond testing and screening for jewelry manufacturers and retailers at its booth during the Hong Kong...
GSI announced today the opening of its new facility in the heart of New York City’s 47th Street ‘Diamond District’ that will be dedicated solely to screening and testing of diamond jewelry for undisclosed lab-grown diamonds. “Demand for screening and...
GSI, one of the largest gemological organizations in the world, has opened a new geological laboratory in Hong Kong. The new facility will serve its international customer base and will offer easy and complete access to GSI’s numerous laboratory services....
New York, NY – Gemological Science International (GSI), one of the world’s leading gemological institutions, today announced it has expanded its’ synthetic testing services for finished diamond jewelry to Hong Kong, India, New York, and Dubai. This service is offered...
Dubai, NOV 22, 2017 GSI, a leading diamond grading organization, conducted a live demo jewelry testing at their breakfast seminar at DMCC Dubai. The seminar addressed managing the challenges on the myths, facts, and realities associated with man-made diamonds. There...
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...
Surat, India – September 2015, GSI (Gemological Science International) one of the world’s leading gemological labs, is pleased to announce that it is the first and the only laboratory in India to begin batch testing for star and melee sized...
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.
