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Instead, beginning later this year, lab-grown diamonds submitted to GIA will receive simplified descriptors—categorised broadly as either “premium” or “standard”—or no grade at all if ...
("MDB") was graded as a fancy color diamond by the Gemological Institute of America ("GIA"). Fancy colored diamonds are much rarer than the usual colorless gems that MDB produces. Colored diamonds ...
Diamonds are graded on a color scale from D (completely colorless ... comes with a certification from a reputable grading laboratory, such as the GIA or AGS. These certifications provide an ...