DiamondBuzz
Alrosa expects to produce 29.7 million carats in 2025
Production Performance Alrosa expects to produce 29.7 million carats in 2025, meeting its annual mining plan despite the prolonged global diamond market downturn. The Russian miner retains its position as the world’s largest diamond producer, representing approximately one-third of global output.
Financial Resilience Director General Pavel Marinychev emphasized the company’s financial stability and continued profitability while competitors face pressure from weak demand and sanctions. This positions Alrosa as an outlier in a struggling sector.
Infrastructure Development The company advanced critical projects including gasification of the Udachninsky GOK and Nakynskaya production site while maintaining social commitments in Yakutia, according to regional Head Aisen Nikolaev.
Resource Expansion Geological exploration during 2025 increased reserves at major deposits, refined resources in the Mirny area, and strengthened prospects in placer and greenfield zones. These efforts are designed to sustain operations for 25-30 years.
Long-Term Strategy Alrosa is investing heavily in underground mining to extend deposit lifespans. The Udachnaya underground project targets production through 2055, while development continues on the Mir-Deep underground mine and Jubilee pipe.
Bottom Line: Alrosa demonstrated operational consistency in a difficult year, balancing immediate production goals with long-term capacity building through infrastructure investment and resource base expansion.
DiamondBuzz
Rio Tinto’s Diamond Division Posts $79 Million EBITDA Loss in 2025
Higher output from Canada’s Diavik Diamond Mine offsets revenue decline, but end-of-life pressures continue to weigh on performance.
Rio Tinto reported a challenging year for its diamond business in 2025, posting an underlying EBITDA loss of $79 million despite improved revenues. While the loss narrowed compared to the $115 million deficit recorded in 2024, the division remained under pressure amid a global diamond market slowdown and the nearing closure of its last active mine.
Annual revenue rose 19% to $332 million, supported by stronger production at the Diavik mine in Canada, Rio Tinto’s only remaining diamond operation. Output climbed 61% to 4.4 million carats, driven by the ramp-up of mining activities in the underground section of the A21 deposit, which began scaling up in late 2024.
However, the A21 underground ore body is expected to be depleted by the end of the first quarter of 2026, marking the end of Diavik’s operational life. The company plans to spend approximately $1 billion this year on closure activities related to Diavik, as well as rehabilitation work at the former Argyle Diamond Mine, which ceased production in 2020, and other non-diamond projects.
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