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IGI Uncovers Largest Misrepresented Lab-Grown Diamond
International grading authority swiftly catches 6.18 carat stone intended to resemble previously certified natural diamond
By: Diamond World News Service
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Jun 10 2021 11:30AM
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Reference: 25642  

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The International Gemological Institute (IGI), the world’s largest independent gemological laboratory, recently analyzed and graded a 6.18 carat round brilliant-cut, loose stone and established it was a lab-grown diamond at its Thailand location. The stone was submitted for verification purposes, and came with a GIA certificate that stated it was a natural diamond, D color, flawless clarity and triple excellent cut, reinforcing the growing importance of secondary review from gemological institutes. 

“This is the largest lab-grown diamond ever certified by a leading gemological laboratory, where the sole purpose was to pass off a lab-grown stone as natural,” said IGI Thailand and Hong Kong Managing Director Bob Van Es. “At IGI, we have seen a huge increase in double verification demand, which means before going for a major purchase, consumers like to receive confirmation that the stone matches the original report.” 

While qualities of the stone closely corresponded to the GIA report, IGI’s expert gemologists quickly ascertained — using state-of-the-art detection equipment — that the diamond was lab-grown and was cut and polished specifically to match the data on the GIA report with meticulous precision previously never seen. To further the deception, the stone was inscribed with a fake laser number, which has become a practice for persons outside of the industry to purposely and easily mislead consumers.  

“A second opinion ensures the integrity of diamonds through detailed analysis, which is an extra, necessary buffer that protects consumers from purchasing misrepresented gemstones,” said IGI CEO Roland Lorie. “As fraud becomes more apparent, IGI continues to demonstrate its expertise in identifying this malpractice and serving as the end authority for consumers to trust that Institute-certified jewelry is accurately graded and analyzed.”  

Without certification, consumers are at risk of purchasing gemstones that are not consistent with their general descriptions. IGI is proud to provide consumers the fifth “C,” — confidence. The Institute’s long-standing reputation of world-class verification and reporting allows fine jewelry shoppers to have confidence in the quality and value of their purchase. 

 

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