GSI Gemology News

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...