(NEW YORK – February 26, 2020) – Recently, Gemological Science International’s (GSI) Mumbai laboratory identified HTHP lab-grown diamond with what appeared to be a laser-drilled channel. GSI researchers and scientists observed and studied this diamond since it would be highly...
By Anthony Noto – Reporter, New York Business Journal The blockbuster sale of Tiffany & Co. to luxury conglomerate LVMH Moët Hennessy Louis Vuitton illustrates how the jewelry industry is doing, according to Debbie Azar, a New York-based gemological scientist. "The $16 billion deal is a...
GSI’s sent a mobile team to Montgomeryville, PA to inspect each piece of diamond jewelry for undisclosed lab-grown diamonds NEW YORK – August 21, 2019 – Gemological Science International (GSI), one of the largest gemological organizations in the world, conducted...
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.