Diamond producer De Beers’ diamond production fell sharply in the fourth quarter of 2025, leading the company to revise its production guidance for 2026 amid persistent challenges in the global diamond market. The company reported on February 5 that rough diamond output in the fourth quarter of 2025 had decreased by 35% year-on-year to 3.8-million carats. Its Botswana mines recorded a 56% decrease in carats recovered to 1.9-million, as Jwaneng was offline for the entire quarter to optimise plant utilisation ahead of scheduled maintenance and Orapa underwent a maintenance shutdown in October. Production in Namibia ... (full story)