De Beers noted how strong the Vegas shows were, while Alrosa grappled with supply issues in August.
Officials from the neighboring DRC will seek compensation for the pollution they say has turned tributaries red and affected millions.
The 342.92-carat rough white diamond and the 18.30-carat rough blue diamond will be cut and polished in South Africa.
It also has a new sourcing program called Code of Origin and a partnership with National Geographic to help protect the Okavango Delta.
The team behind the nonprofit has been on the ground to support several initiatives this summer.
Anglo American is donating the money to its Anglo American Foundation, which supports projects in countries where it mines.
And hear one diamond industry analyst’s estimate of its potential value.
The “exceptional” stone went for about $1 million per carat and is the second natural color rough diamond purchased by the two companies.
“New Realities, Future Promise” will be held July 13-15 and introduce a new award for an industry member.
The non-invasive laser markings are imprinted inside the crystal lattice and can only be seen with a specialized scanner.
Though the mine closed in November, the company still sees ample opportunity for the brand.
The two-hour immersive experience gives visitors the chance to see all three galleries before the official grand opening early next year.
But unlike another 1000-plus-carat diamond recently uncovered by Debswana in the country, this is of variable quality.
Consumer desire for diamond jewelry remains strong while midstream demand in India is returning, the companies said.
Debswana uncovered the “high gem-quality” rough stone on June 1 at Jwaneng mine’s South Kimberlite pipe.
It follows artisans in Thailand and Vietnam who have found another use for lower quality rough stones.
The discovery at Crater of Diamonds comes after Christian Liden spent five years panning for enough gold to make the band.