The International Gemological Institute (IGI) has tapped Jeffrey Bennett as president for its North American division. Bennett has previously held leadership roles in flagship stores in the New York ...

Rubies, sapphires and emeralds form the most valuable trifecta in the colored-gem universe. But unlike the first two, which measure 9 on the Mohs hardness scale, emeralds rank at 7.5 to 8 and ...

Rio Tinto hosted its last Beyond Rare Tender, featuring 52 lots of polished fancy-colored diamonds, as the miner prepared to close its only remaining diamond deposit. Titled “Into the Light”, the ...

A Tiffany and Co. brooch featuring the Vanderbilt sapphire stole the spotlight at the most recent Phillips auction in Geneva. The piece, designed in the early 20th century, showcases a 42.68-carat ...

The 137.27-carat Florentine Diamond, thought to have been lost for more than a century, is in a Canadian vault, according to The New York Times. The yellow diamond went missing shortly after the end ...

The Gemological Institute of America (GIA) has presented Susan Jacques with the Richard T. Liddicoat award. The institute gave Jacques its highest honor, the Distinguished Achievement Award, at the ...

This session promises to be deep. Next week, the Gemological Institute of America (GIA) will join Rapaport to discuss what’s special about diamonds that formed more than 300 kilometers beneath the ...

The Canadian Jewellers Association (CJA) has elected Chau Lui and Eric Senftleben to cochair its board of directors for 2026. The organization elected Lui of Paris Jewellers in Edmonton and Eric ...

Mountain Province’s sales and production fell in the third quarter amid difficult trading conditions and maintenance work at its Gahcho Kué mine in Canada. Sales value slid 58% year on year to $21.2 ...

Stuller has promoted its president, Danny Clark, to CEO. He succeeds company founder Matt Stuller, who will remain as executive chairman of the board. Current chief operating officer Belit Myers will ...

The drop in diamond recoveries is a response to market conditions, but also a reflection of diminishing prospects for viable new mines. Diamond miners are postponing sales and reviewing their ...

While the hands-on approach is still crucial, artificial intelligence is already a boon to mapping and polishing stones – and there’s more on the horizon. The diamond-manufacturing industry has made ...