In the first quarter of 2023, De Beers' rough diamond production remained constant at 8.9 million carats despite the Venetia mine's conversion to underground operations this year.

Anglo American, which controls 85% of De Beers Group, claims that the completion of Venetia's open pit in December 2022 and the transition to underground mining in 2023 will cancel out the anticipated treatment of higher-grade ore and outstanding operational performance across most assets.