Lab-grown diamonds grown using chemical vapor deposition (CVD) could change color for an extended period following exposure to certain light forms, Gemological Science International (GSI) has cautioned. When testing a 2-carat CVD diamond, GSI exposed the stone to high-powered ultraviolet...
(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...
(NEW YORK – February 24, 2020) – Debbie Azar, President and Co-Founder of Gemological Science International (GSI), was interviewed on six major broadcast outlets where she was invited to speak as an industry expert in the lead-up to Valentine’s Day...
This Valentine's Day, lab-grown diamonds take 2 % of the market: Expert Debbie Azar, President, and Co-Founder, GSI discusses the perfect diamond gifts for Valentine's Day with Stuart Varney at the Varney & Co. Talk Show. Fox business news online...
GSI President & Co-Founder Debbie Azar spoke with "Trade Talks" host Jill Malandrino of Nasdaq on Valentine’s Day about consumer spending, sustainability and all the latest jewelry trends. Love modeling all the bling with Jill Malandrino – looking forward to next time! Watch the...
Ms. Debbie Azar appeared on FOX 5 NEWS with Christal Young for Diamonds 101 discussion, including what's trending and the 4C's. The brands featured on the segment are GSI certified and can be found in some of the largest and most reputable retailers...
Representatives from GSI were available to educate consumers on the company’s services including the testing and screening of loose diamonds, jewelry, and lab-grown diamonds Mumbai – February 17, 2020 – Gemological Science International (GSI), one of the largest gemological organizations...
Consumers Increasingly, Desire ‘Responsible’ Diamonds – February 10, 2020— 12:41 EST Debbie Azar, President and Co-Founder of Gemological Science International (GSI), discusses diamond trends, and the increase in consumer interest in sustainability and social responsibility. Hosted by Lisa Abramowicz and...
NEW YORK (CBS News New York) — Looking to get that special someone something a little more sparkly this Valentine’s Day? Diamonds come in all shapes and sizes – and price points. So for that big purchase, it’s probably best to...
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.
