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  Diavik Mine unearths unique 158.20 carat rough diamond   Yellowknife, Canada -- Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine. The 158.20 carat rough diamond was discovered at Diavik located 200km south of the Arctic Circle in the remote Northwest Territories of Canada.    It is one of only five yellow diamonds weighing more than 100 carats ever unearthed at Diavik in its 22-year history. Diavik’s production primarily consists of white gem quality diamonds, with less than one percent of its production yielding rare yellow diamonds.    Diavik Diamond Mines Chief Operating Officer Matt Breen said: “This two billion year old, natural Canadian diamond, is a miracle of nature and testament to the skill and fortitude of all the men and women who work in Diavik’s challenging sub-Arctic environment.”  Operating since 2003, Diavik’s production is lauded for its prec...

Reflecting the extraordinary unique provenance of the collection!   Rio Tinto’s second Beyond Rare Tender: The Art Series 02 has delivered a strong result, reflecting the extraordinary rarity and unique provenance of the collection, together with the ongoing appeal for truly scarce natural fancy coloured diamonds.    Titled Colour Awakened, the collection comprises 76 diamonds in 48 lots, including legacy inventory of pink, red and violet diamonds from the Argyle Diamond Mine, together with white and yellow diamonds from Rio Tinto’s Diavik Diamond Mine in the Northwest Territories of Canada. For the first time, the collection also featured seven Old Masters, notable historic diamonds from the Argyle Mine.    Continuing the success of the inaugural event in 2023, bidding for the carefully curated collection resulted in a broad geographic spread of 12 successful bidders from Australia, Europe, Japan, Hong Kong, the Middle East, Singapore and North Amer...