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 ...
The Gemological Institute of America (GIA), considered the world’s foremost authority on gemmology, said later this year, it will start using descriptive terms to characterise the quality of ...
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 diamond grading on June 2, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback