International News
Rio Tinto Unveils Rare 158ct Yellow Diamond from Diavik Mine in Canada
One of the largest gem-quality yellow diamonds ever discovered in Canada, the 158.20-carat gem is a remarkable find as Diavik Mine nears closure.
Rio Tinto has uncovered a rare and exceptional 158.20-carat yellow diamond at its Diavik Mine in Canada, marking one of the largest gem-quality yellow diamonds ever found in the country. This stunning discovery is also among only five yellow diamonds weighing over 100 carats to be unearthed by the company at Diavik throughout its 22-year history. Notably, Diavik is primarily known for producing white diamonds, with less than 1% of its output being yellow stones.
The Diavik Mine, which is set to close next year, is also responsible for several significant yellow diamond finds, including Canada’s largest yellow diamond, a 552.74-carat gem discovered in 2018, and the 187.7-carat Diavik Foxfire found in 2015.
With the closure of the Argyle mine in Australia in 2020, Diavik is now Rio Tinto’s sole diamond asset. Patrick Coppens, General Manager of Sales and Marketing for Rio Tinto’s diamond business, expressed excitement over the unique beauty and purity of the Diavik diamonds, eagerly anticipating the future of this extraordinary find.
International News
Dubai Records Highest-Ever Diamond Trade In 2025
Natural Diamonds Continued To Dominate The Market, Contributing US$39.9 billion, Or 96% Of Dubai’s Total Diamond Trade Value In 2025.
Dubai achieved a record performance in its diamond trade in 2025, reaching its highest-ever levels in both value and volume, according to the Dubai Multi Commodities Centre (DMCC).
The total value of diamond imports and exports increased 16% year-on-year to US$41.7 billion, up from US$35.8 billion in 2024. Trade volume also surged 43% to 359.5 million carats, marking the first time Dubai has recorded all-time highs in both value and physical volume.
DMCC CEO Ahmed Bin Sulayem said the strong performance reflects Dubai’s long-term strategy of building a transparent, connected, and efficient global hub for the diamond trade. Since 2020, diamond trade through Dubai has doubled in volume and grown nearly 140% in value.
Natural diamonds continued to dominate the market, contributing US$39.9 billion, or 96% of Dubai’s total diamond trade value in 2025.
Trade in rough diamonds reached 205.2 million carats, the second-highest volume on record and around 34% higher than in 2024. The value of natural polished diamond trade rose nearly 25% to US$18.7 billion. Since 2020, the value of natural polished diamond trade through Dubai has increased by 246%.
Over the past decade, Dubai’s overall diamond trade has grown 63% in value and 44% in volume, reinforcing its position as one of the world’s leading diamond trading centres.
The emirate also recorded strong growth in other precious stones. Coloured gemstone trade climbed 48% to a record US$1.1 billion, supported by a 69% increase in imports and a 34% rise in exports. Meanwhile, synthetic and industrial diamonds accounted for around 39% of the total diamond trade volume in 2025.
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