January 17, 2020 The elite De Beers diamond buyers club may get even smaller The world’s biggest producer is wrestling with the way it sells diamonds after a disastrous year for the companies that cut, polish and trade the world’s gems.
January 17, 2020 Rio Tinto readies to close world’s biggest diamond mine The miner expects to see production of rough diamonds drop from 17 million carats last year to 12-14 million in 2020 as a result.
January 15, 2020 Rising civil unrest adds to mining risks in 2020 Risk consultancy Verisk Maplecroft foresees as many as 75 countries having to deal with soaring public rage over a variety of topics, including economic inequality.
January 14, 2020 Rio’s Argyle diamonds featured on Australian coin The Perth Mint issued a coin that has nearly three carats of vivid intense pink diamonds.
January 10, 2020 Carnegie Institution seeks cut of rising lab-grown diamond sales The institute filed three complaints in Manhattan federal court against six companies.
December 30, 2019 Alrosa unearths 191-carat diamond at Botuobinskaya pipe The age of the stone is estimated at about 2 billion years.
December 27, 2019 Alrosa, ZCDC sign final agreements to form Zimbabwean JV The joint venture will focus on prospect and exploration work for primary diamond deposits in the African country.
December 22, 2019 Mining companies operating in Russia improve environmental transparency – WWF The World Wildlife Fund found that more miners operating in the country are starting to report their efforts to reduce their carbon footprint.
December 19, 2019 Zambia drops 15% export tax on gemstones The levy on gemstones, excluding diamonds, was meant to increase the country's revenues, but ended up hitting output.
December 19, 2019 Lucara Diamond’s sales beat expectations in fresh sign of market improvement Average price per carat was $548, 16% more than expected and about 40% higher than the average price achieved in the previous quarter.
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
