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News
CIBJO Backs 'Synthetic' Terminology for Lab Growns
6+ day, 3+ hour ago (336+ words) (IDEX Online) - CIBJO, the World Jewellery Confederation, this week backed "synthetic" as the preferred term for diamonds produced through industrial processes. The move reverses its 2010 acceptance of "laboratory-grown diamond" and other similar terms, and could influence the terminology used in…...
Gem Diamonds Returns to Profit as Rough Prices Rise
1+ week, 12+ hour ago (421+ words) (IDEX Online) - Gem Diamonds returned to profit in the first half of 2026 as higher rough diamond prices at its Letseng mine in Lesotho lifted revenue despite lower recovered carat volumes. The company reported attributable profit of $0.6 million for the six…...
London Diamond Bourse Favors Synthetic Terminology
1+ week, 1+ day ago (453+ words) (IDEX Online) - The London Diamond Bourse has adopted "synthetic diamond" as its preferred term for man-made diamonds and is encouraging all its UK members to use the terminology as best practice. In an announcement on 2 September, the Bourse said the…...
Swiss Lab Expands Spray-On DNA Tech to Diamonds
3+ week, 4+ day ago (214+ words) (IDEX Online) - A Swiss gem-lab company is expanding its spray-on DNA-based technology, currently used on emeralds, to polished melee diamonds. Provenance Proof, an independent subsidiary of Gubelin Gem Lab, says it has begun using synthetic-DNA nanoparticles to mark polished melee…...