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.
Gold prices in the U.S. have moved back above $4,700 per ounce, with spot gold trading near $4,750 on Thursday, May 7, 2026. This marks a gain of over 1% in a single day, following its strongest rise in more than five weeks on Wednesday.
Although gold is still around 15% below its record high of nearly $5,595 per ounce, reached in January 2026, prices remain much higher than the $4,300–$4,400 support range seen during the market decline in late March.
Gold has been trading in a narrow range since the Iran conflict began in late February. During that period, prices dropped by more than 10% as rising oil prices increased inflation concerns, forcing the U.S. Federal Reserve to keep interest rates unchanged and pushing Treasury yields higher.
Now, market conditions are changing. Oil prices are easing, bond yields are falling, and investors are returning to gold, making it more attractive again.
Three main factors are supporting the recent rise in gold prices:
1. Falling U.S. Treasury yields:
The yield on the 10-year U.S. Treasury bond has dropped from around 4.4%, reducing the cost of holding gold. Since gold does not pay interest, lower bond yields make it a more attractive investment.
2. A weaker U.S. dollar:
A softer dollar generally helps gold prices, as it makes gold cheaper for buyers using other currencies.
3. Optimism over U.S.–Iran talks:
Renewed hopes of diplomacy between the U.S. and Iran have improved market sentiment, adding support to gold prices.
With Treasury yields easing and inflation fears cooling, one of the biggest pressures on gold since March is beginning to fade.
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