Rio Tinto diamonds

An aerial view of the frozen Diavik Diamond Mine open pit in Canada.

Diavik Diamond Mine: Canada’s Arctic Giant Closes

Global Trends, Jewelry Business, Nature & Wildlife /

Introduction For over two decades, the Diavik Diamond Mine quietly powered one of the world’s most important sources of high-quality rough diamonds—all from a remote island in Canada’s frozen north. In March 2026, the mine produced its last commercial diamond, officially closing after 23 years of operation. As a Gemologist who tracks global supply chains, I know that […]

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Final Beyond Rare Tender Into the Light diamonds from Rio Tinto Argyle and Diavik mines.

Final Beyond Rare Tender: Rio Tinto Into the Light Diamonds

Auctions & Tenders, Diamonds, Investment Gems, Rio Tinto /

The Final Beyond Rare Tender by Rio Tinto marks a historic moment in diamond history. Titled Into the Light, this last Art Series includes 52 lots of rare diamonds from the Argyle Mine in Australia and the Diavik Mine in Canada. Why the Final Beyond Rare Tender Matters The Argyle mine closed in 2020, ending

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