November 7, 2022 Petra Diamonds halts Williamson mine in Tanzania after dam breach Operations were suspended after a wall of the tailings storage facility was breached, causing flooding in nearby areas.
November 7, 2022 Previously unknown mineralogy of deep earth unveiled New experiments suggest that earth’s deeper lower mantle likely has a mineralogy different from the shallower lower mantle.
November 2, 2022 Vivid pink diamond could go for $35 million at Christie’s auction The largest vivid pink diamond sold at Christie's was the 18.96-carat Winston Pink Legacy, which got $50.4 million in 2018.
November 2, 2022 Gemfields to auction 37,555-gram emerald cluster The Kafubu Cluster is likely to set a record for the world’s most expensive single emerald sold in auction.
November 2, 2022 Gem Diamonds lowers 2022 guidance despite solid Q3 Output was hurt by a two-day halt in Lesotho during the country's general elections, as well as by an equipment breakdown, now repaired.
November 2, 2022 Diamonds trade watchdog mulls fate of Russian gems The Kimberley Process is expected to decide this week whether Russian diamonds should be declared conflict gems.
November 1, 2022 Debswana posts 37.5% jump in 9-month diamond sales However, De Beers sees the risk of the market slowing down in the coming months due to a deterioration in global economic conditions.
October 27, 2022 Higher-grade ore boosts De Beers diamond output Production of rough diamonds climbed 4% to 9.6 million carats in the third quarter of the year, compared to the same period of 2021.
October 27, 2022 Anglo American Q3 production flat as copper’s drop offsets upbeat coal output Anglo American's quarterly output grew 16% from the previous three months led by the robust coal and diamond operations.
October 21, 2022 De Beers to offer sweeter terms as diamond market shows strain De Beers has told customers in a memo that it would be doubling the size of its so-called buyback process.
Disruption and dislocation: LME metals’ year in seven charts Supply disruption and tariff dislocation have defined the London Metal Exchange base metals complex this year. December 23, 2025 | 07:58 am