IDEX Online - Rough Market Rough Market
- GIA Impostor Alert: CVD Rough Made to Mimic Natural Diamond
on 17 August 2026 at 4:00 pmA rough diamond submitted to the Gemological Institute of America (GIA) turned out to be a CVD lab grown that had been deliberately cut to look like a natural stone. The 6.87-carat near-colorless crystal closely resembled a natural rough octahedron, say the ...
- AI Drives China's 65% Surge in Lab Grown Exportson 12 August 2026 at 5:00 am
China's lab-grown diamond exports jumped 65.3% in the first half of 2026, driven in part by rising overseas demand for synthetic stones used to cool high-performance AI chips, official trade data show. The value of lab-grown diamond exports cleared through...
- Lucara Sells World's Second-Largest Diamondon 11 August 2026 at 10:00 am
Lucara has sold the world's second-largest diamond, the 2,488-carat Motswedi, for an undisclosed price. The sale was included in the Canadian miner's second-quarter results, which reported total revenue of $41.0 million for the three months ended June 30...
- Finsch to Close as Small Stone Prices Collapseon 10 August 2026 at 12:00 pm
Petra Diamonds is to close its Finsch mine, in South Africa, blaming a collapse in demand for smaller rough. The decision follows the failure of a business-rescue process to find a viable way to restart mining. Creditors approved a plan on 7 August for the ...
- Russia to Create "Europe's Largest Diamond Cutting Cluster"on 10 August 2026 at 6:00 am
ussia is to create what it describes as the largest cluster of diamond-cutting facilities in Europe, in a move aimed at retaining more value from its stones. The cluster will combine Alrosa's Kristall cutting plant in Smolensk with facilities in the Republic ...