Standard Diamonds

【Carlsbad, Ca】GIA’s New ‘Quality Assessment’ for Lab-Grown Diamonds Is Coming

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Editor’s NoteStarting October 1, GIA will implement a new assessment system for lab-grown diamonds, introducing “premium” or “standard” designations….

【USA】GIA Introduces New Grading System for Lab-Grown Diamonds

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Editor’s NoteThe GIA is replacing its traditional 4Cs grading for lab-grown diamonds with new “Premium” and “Standard” descriptive categories,…