Rio tinto's 2020 argyle pink diamonds tender delivers a dazzling set of results

Melbourne, australia--(business wire)--rio tinto's 2020 argyle pink diamonds tender collection of 62 rare pink, red, blue and violet diamonds from its argyle mine in australia has delivered a record result, reflecting their extraordinary rarity and unique provenance. the 2020 collection continued its trajectory of double digit price growth and a record number of participants with successful bidders from eight countries. whilst bids and values remain confidential, lot number 1, the 2.24 carat ar
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