Gemological Science International (GSI) has opened a new gemmological laboratory in Kolkata, expanding its operations in one of India’s jewellery…
Month: September 2025
Natural polished diamonds of European origin, including those polished in Antwerp, will now be exempt from US import tariffs under…
A new promotional campaign from Bangkok-based manufacturer Universal Chains has become the latest indicator of the ongoing debate around price…
Rio Tinto has launched the final edition of its Beyond Rare Tender, a collection of rare coloured diamonds sourced from…
Antwerp’s diamond district is experiencing a sharp increase in trading activity this September, with eight rough diamond auctions scheduled across…
The World Jewellery Confederation (CIBJO) will consider revisions to its standards on diamond terminology and grading at its 2025 Congress,…
An executive order issued on 5 September includes a new annex listing natural goods that may qualify for duty-free importation,…
The Gemological Institute of America (GIA) has examined the second largest rough diamond ever recorded, weighing 2,488.32 carats. The examination…
The Gemological Institute of America (GIA) has announced changes to its grading services for D-to-Z laboratory-grown diamonds, effective from 1…