September 26, 2019 Lucara rocks — finds blue, pink diamonds at Botswana mine The diamonds, found at the area that yielded the famous 1,111-carat “Lesedi La Rona” in 2015, will be sold in December.
September 25, 2019 How blockchain can track conflict minerals Several companies have begun using or offering blockchain solutions to address some of the problems associated with conflict minerals.
September 25, 2019 Alrosa’s Diamond Inspector excels at detecting fake stones An independent, US-based lab tested the device.
September 24, 2019 Rising resource nationalism in Africa ups stakes for miners — report Central Africa’s copperbelt, and Tanzania capture the bulk of resource nationalism risks, Verisk Maplecroft says.
September 23, 2019 Petra finds 20.08-carat blue diamond at flagship Cullinan mine Recovery demonstrates the quality of Petra's asset base, as the Cullinan diamond mine remains a significant source of rare blue diamonds, said the company.
September 22, 2019 Canadian student discovers new mineral inside a diamond The new mineral was named goldschmidtite.
September 19, 2019 Alrosa gets an A+ in social, environmental investments The Russian miner allocates 3% of its revenue to social expenses and 2.2% to environmental initiatives.
September 18, 2019 Lucara finds another big diamond at its Karowe mine in Botswana The operation has this year yielded 22 diamonds larger than 100 carats, eight of them exceeding 200 carats.
September 17, 2019 Rio’s Argyle diamonds go on tour The Argyle Pink Diamonds Tender is being showcased in Perth, Singapore, London and New York.
September 16, 2019 MIT engineers ‘hide’ $2m-diamond under world’s blackest black material LJ West Diamonds gave them a 16.78-carat natural yellow diamond to experiment with.
Silver price: Here’s what to watch for after wild ride past $80 Surging investor interest in China has been a key driver of silver prices in recent days. December 30, 2025 | 08:59 am
