Diamond Foundry Grows World's Largest Single Crystal
November 10, 26
US lab grown producer Diamond Foundry says it has produced the world's largest single-crystal diamond, measuring 200mm in diameter, twice the size of its previous record-setting achievement. The term "single crystal" means the diamond, which has ... Read More...
Botswana will Double De Beers Stake to 30%
November 09, 26Botswana is to double its holding in De Beers to 30%, becoming its largest single shareholder under a proposed takeover by a consortium led by former CEO Gareth Penny. President Duma Boko announced the decision on November 9 in his State of ... Read More...
Pink 6ct Lab Grown Etched to Resemble Natural Rough
November 09, 26GIA has identified a 6.06-carat pink lab grown that was deliberately fashioned and etched to resemble a natural rough stone. In its Fall 2026 issue of Gems & Gemology, GIA says it's the first case it has documented involving a CVD diamond modified in .... Read More...
GIA Acquires Collection of 2,665 Gems with Unusual Inclusions
November 08, 26The Gemological Institute of America (GIA) has acquired a collection of 2,665 gems, minerals and crystals containing unusual inclusions, assembled over six decades by renowned microscopist John Koivula. The collection includes specimens ... Read More...
Putin Backs Russia's Lab Grown Diamond Restrictions
November 08, 26Russian President Vladimir Putin has backed government restrictions on the sale and description of lab growns. He said he agreed with finance minister Anton Siluanov that diamonds created by nature should remain the foundation of the industry. "My opinion ... Read More...
Memo by John Jeffay
November 05It costs an estimated $10.85 to produce a carat of lab grown rough. The real money is being made much further down the supply chain. By the time lab grown diamonds reach consumers as finished jewelry, their total retail value has increased 21-fold, according ... Read More...