IGI Stands by 4Cs Grading for Lab Growns
IGI says it has no plans to stop grading lab growns for color and clarity.
IGI Grades Largest Polished Lab-Grown Diamond
The International Gemological Institute (IGI) has graded a 27-carat lab-grown stone that it claims is the world’s[…]
India Draws Up Rules to Prevent Certificate Fraud
Industry leaders in India have published draft rules aimed at stopping members from selling diamonds with false[…]
Largest ever CVD laboratory-grown diamond hailed a “remarkable achievement”
The International Gemological Institute’s (IGI) Hong Kong laboratory has certified the largest chemical vapor deposition (CVD) laboratory-grown[…]
IGI Grades Record Black Lab-Grown Diamond
The International Gemological Institute (IGI) recently graded a 116-carat, black synthetic diamond that ranks as the largest[…]
Sarine Joins Race to Buy HRD Antwerp
Sarine Technologies has entered the running to acquire HRD Antwerp, according to two sources close to the[…]
