De Beers reported a 38% year-on-year rise in rough-diamond production to 7.7 million carats in the third quarter of 2025, mainly reflecting higher output from Botswana.
Production in Botswana rose 51% to 6.0 million carats, due to the full operational status of the Jwaneng mine and the processing of higher-grade ore ahead of planned maintenance in Q4. South Africa’s output remained at 0.7 million carats as the Venetia mine continued its transition to underground operations, while Namibia’s production remained flat at 457,000 carats. In contrast, production in Canada declined 15% to 0.5 million carats because of lower-grade ore.
During the quarter, De Beers sold 5.7 million carats of rough diamonds, with a provisional sales value of $700 million, compared to 2.1 million carats and $213 million in Q3 2024.
According to the company, consumer demand for natural diamond jewellery remained stable in the United States, even as global trading conditions in the rough market remained challenging.
De Beers maintained its 2025 production guidance of 20-23 million carats (100% basis) and a unit cost guidance of around $94 per carat.
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