You may be thinking the diamond factory gets to “mark its own homework” if the grading machine is in-house, and that it could cheat the system to get a better grade. But Ben-Ari is adamant that the ...

This initiative is not merely a terminology adjustment; it represents a systematic effort to separate the grading systems for lab-grown and natural diamonds. As a non-profit organization, GIA ...

New Delhi: The International Gemological Institute (IGI) has reaffirmed its commitment to applying the universal 4Cs grading system - cut, color, clarity, and carat to all diamonds, including ...

If you are ready to take the plunge and buy an engagement ring, here are some tips that apply whether you’re considering pre-owned or new. You may have heard about the “4Cs” of diamonds — color, cut, ...

G. Robert Crowningshield, 87, a renowned gemologist and research scientist who made significant contributions to the study of gems that allow gemologists to detect treated and synthetic gem materials, ...

(MENAFN- Dubai PR Network) HONG KONG SAR - Media OutReach Newswire - 10 June 2025 - The Gemological Institute of America (GIA), the world's foremost authority in gemology announced a redefinition in ...