DiamondBuzz
De Beers India MD Calls for Better Tech to Distinguish Synthetic and Natural Diamonds
De Beers India managing director Amit Pratihari expressed concerns over the lack of transparency in synthetic diamond sales, emphasizing the importance of clear disclosure to consumers. He highlighted the need for proper certification and reliable grading institutions to distinguish natural diamonds from lab-grown ones, adding that the company’s in-house lab, which used to serve only De Beers brands, is now available to other retailers as well. The natural diamond industry, he noted, is collaborating with the Gems and Jewellery Exports Promotion Council and the government to standardize quality certifications and grading parameters.
While Pratihari does not view the synthetic diamond market as direct competition, he acknowledges the growing popularity of lab-grown diamonds and the need for regulation to ensure consumers are well-informed. India, following the Federation Trade Commission (FTC) guidelines, now mandates that synthetic diamonds be clearly labeled as such, with further developments expected in grading standards.
In terms of retail growth, De Beers is optimistic about India’s diamond market, projecting it will grow from $8.5 billion in 2024 to $17 billion by 2030. To tap into this potential, the company plans to significantly increase its retail presence, including opening 100 exclusive outlets for its Forevermark brand, with the goal of reaching $100 million in sales by 2030.
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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