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Lab Grown diamonds will drive $ 1 billion global diamond certification market by 2028: ReportIGI is the second-largest global diamond certification provider ... is largely controlled by Gemological Institute of America (GIA) and International Gemological Institute (IGI), which together ...
Carlsbad, Calif., April 08, 2025 (GLOBE NEWSWIRE) -- A team of scientists from the Gemological Institute of America (GIA), collaborating with their colleagues from the Smithsonian National Museum ...
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