A lower average rough price index and stock rebalancing initiatives had a significant impact on diamond miner De Beers’ earnings for the 2025 financial year, resulting in an underlying loss before interest, taxes, depreciation and amortisation of $511-million, compared with a loss of $25-million in 2024. The company’s rough diamond production decreased by 12% to 21.7-million carats for 2025, from 24.7-million carats in 2024.“The mining operations delivered solid operational performance at lower output levels, as the business produced into prevailing demand,” the company says in a statement on its preliminary results ... (full story)