Mining

First defined diamond grading system ratified

CIBJO, the World Jewellery Confederation, has described as ‘ground-breaking’ the publication by the International Standards Organisation of ISO 24016, the first-ever standard approved by the body that ...

Ginza Diamond Shiraishi Hong Kong Details Craftsmanship, Diamond Selection Standards, and Design Philosophy Behind Its Engagement Ring Collections

Causeway Bay, HK - March 04, 2026 - PRESSADVANTAGE - Ginza Diamond Shiraishi Hong Kong has released an official ...
Mena FN

GIA Redefines Lab-Grown Diamond Grading Standards Discontinuation Of 4Cs Grading System Enhances Differentiation Between Natural And Lab-Grown Diamonds

(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 ...
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 ...
Khaleej Times

Grading, uniform pricing to spur growth of $11b diamond trade

The initiative by International Diamond Laboratories (IDL) to provide authentication certificates to diamond jewellery is expected to further boost customer confidence in the quality of diamonds sold ...
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 ...