A crucial change to GIA grading reports could restore confidence among the trade and consumers.
Latest News
Sale aimed to raise revenue for country amid weak demand for diamonds.
Pieces sell for $310,100 against $231,400 upper price at Hong Kong auction.
Burgundy Diamond Mines attributes financial troubles to challenging market, compounded by tariffs.
First-half loss primarily due to fewer high-grade rubies from Montepuez and the impact of a 15% export duty on emeralds from Zambia.
Udachnaya pipe will continue for an additional 16 years, until 2055.
42.68-carat sapphire will lead November sale in Geneva.
Miner cites “challenging environment” for diamond industry.
Governments bidding for majority and minority interests, respectively.
Marcus ter Haar recently served as cochair of the nonprofit’s Beneficiary Committee.
Market Comment: September 25, 2025