Rio Tinto has captivated diamond collectors, connoisseurs and jewellers from across the world with record-breaking results from its 2021 Argyie Pink Diamonds Tender and Once in a Blue Moon Tender. The 70 rare pink and red diamonds that comprised Rio Tinto's Argyie Pink Diamonds Tender delivered alarming price performances across the board, with individual diamonds and larger collections drawing fierce interest in a series of virtual and face-to-face viewings.
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