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GSI Identifies Undisclosed Synthetic White Sapphire Melee in Jewellery
The synthetic sapphires were detected during a routine jewellery screening
By: Diamond World News Service
May 29 2019 10:29AM
Reference: 20260  


Gemological Science International (GSI), one of the largest gemological organizations in the world and a leader in diamond identification and screening, recently identified synthetic white sapphire melee in jewelry. The synthetic sapphires were detected during a routine jewelry screening.

 GSI’s New York Screening and Testing Department received  diamond pendants for screening and found the “diamonds” to be near-colorless synthetic white sapphires. These stones ranged from .01 -.10 points and were set next to natural diamonds.

 “This finding is a great example of the extraordinary work the team at GSI is doing for the screening and detection of undisclosed  lab-grown diamonds and simulants,” said Debbie Azar, President & Co-Founder of Gemological Science International. “What makes this finding unusual and very atypical was the use of melee sized synthetic white sapphires.”

 GSI’s identification methods are some of the most advanced and sophisticated in the industry. 

 In addition to its grading and certification services, GSI opened facilities in New York, Hong Kong, and India dedicated to the screening and testing of jewelry for undisclosed lab-grown diamonds and simulants. As a global leader in this field, GSI screens millions of jewelry items annually.

 “While the industry has taken considerable steps to address this issue, the problem still persists” said Ms. Azar. “We continue to identify undisclosed lab grown diamonds and simulants in jewelry on a daily basis in all our global facilities. 


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