IGI Finds 6-Carat ‘Natural’ Diamond Is Actually Lab-Grown
The submitted stone had been cut and polished with “meticulous precision” to match a natural diamond report, the lab said.
The International Gemological Institute said it analyzed and graded a 6.18-carat round brilliant diamond stone at its Bangkok lab that had been submitted for verification.
It came with a report from the Gemological Institute of America stating it was a natural diamond of D color, flawless clarity, and triple excellent cut, but IGI established it was, in fact, a lab-grown diamond.
The lab’s gemologists realized the natural stone had been swapped with a lab-grown diamond, which had been cut and polished to match the GIA report’s data with “meticulous precision previously never seen.”
Additionally, the stone had been inscribed with a counterfeit report number, an issue GIA has been battling as of late.
“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,” IGI Thailand and Hong Kong Managing Director Bob Van Es said.
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