sinchew

GIA Redefines Lab-grown Diamond Grading Standards Discontinuation of 4Cs Grading System Enhances Differentiation Between Natural and Lab-Grown Diamonds

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, ...
Daily Mail

Planning a Valentine's proposal? Diamond expert reveals the three essential steps to choosing the perfect ring - and the colour gradings that give the best value for money

Valentine's Day is just around the corner, and recent research has shown that the months leading up to the 14 February see almost 40 per cent of all proposals take place. However a proposal can be a ...
The Daily Telegraph

De Beers Group and Christie’s to shine a light on the dark art of diamond grading

Sarah Royce-Greensill is the Telegraph’s Contributing Jewellery Editor. An expert on the contents of the royal jewellery vaults, she reports on the latest trends and innovations in the rarefied world ...
Taiwan News

GIA Redefines Lab-grown Diamond Grading Standards Discontinuation of 4Cs Grading System Enhances Differentiation Between Natural and Lab-Grown Diamonds

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 ...