GIA Moves to Redefine Lab-Grown Diamond Grading, Signaling Clearer Divide from Natural Diamonds
The world’s leading authority in gemology(GIA) is redefining lab-grown diamond grading by dropping the traditional 4Cs system, further emphasizing the growing divide between natural diamonds and man-made diamonds. In a landmark decision that will reverberate through the global diamond industry, the Gemological Institute of America (GIA)—the world’s foremost authority in gemology—has announced it will no