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
U.S. specialty jewellery retailers recorded a 5.7% y-o-y revenue increase in Sept 2026:Tenoris
The growth continues to be driven primarily by high-end purchases rather than sales volume. Average consumer spend per item jumped 11% in September, offsetting an 11% drop in sales volume for lower-priced merchandise.
U.S. specialty jewelry retailers recorded a 5.7% year-over-year revenue increase in September 2026, extending nearly two years of continuous monthly growth despite broader economic headwinds, according to new data from industry analytics firm Tenoris. Year-to-date jewelry revenues are now up 8.5%.
The growth continues to be driven primarily by high-end purchases rather than sales volume. Average consumer spend per item jumped 11% in September, offsetting an 11% drop in sales volume for lower-priced merchandise.
Key insights from the September report include:
- Diamond Market Dynamics: Sales of finished diamond jewelry dipped slightly by 0.6%, though average spending per stone rose 11%.
- Lab-Grown Segment: Demand for lab-grown diamond jewelry surged nearly 26% year-over-year. However, revenue for loose lab-grown diamonds fell for a fifth straight month due to declining prices.
- Outperforming Broader Luxury: While overall U.S. luxury spending fell 6% in September—according to recent Citi credit card data—jewelry sales remained comparatively resilient, driven by affluent buyers.
When overall revenue increases even as the number of individual items sold drops, it creates a optical illusion of growth. On paper, top-line financial performance looks strong, but underneath, the business is relying on fewer transactions at much higher prices.Heading into the high-volume fourth quarter—driven by holiday shopping—this dynamic presents specific operational challenges and strategic risks for jewelry retailers.
U.S. specialty jewellery retailers recorded a 5.7% y-o-y revenue increase in Sept 2026:Tenoris
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