LEIBISH Wins 21 Lots in Rio Tinto’s Beyond Rare™ Historic Final Diamond Tender
Rio Tinto Concludes Historic ‘Beyond Rare™ Tender’ with “Into the Light” Collection
[NEW YORK/PERTH/TEL AVIV] – October 22, 2025 – In what is being hailed as an historic grand finale, Rio Tinto concluded its last ‘Beyond Rare™ Tender, including a final collection, “Into the Light”, marking the end to an era for their exclusive colored diamond trove.
LEIBISH Dominates the Final Auction with 21 Rare Diamond Acquisitions
The auction generating intense global competition was dominated by renowned fancy colored diamond specialist, LEIBISH who swooped up 21 of its 52 extraordinarily rare lots.
The final collection from Rio Tinto’s Canadian and Australian diamond mines included legendary Argyle mine material, and spotlights the mining region’s final natural masterpieces. The Argyle diamonds included 1 Fancy Red diamond (GIA-certified), 12 Fancy Violet diamonds, 76 Fancy Pink / Purple-Pink / Purplish-Pink diamonds. Only Natural Diamonds +1 Canada’s Diavik legacy inventory included 2 D-color, Flawless clarity white stones (one a 5.11 ct emerald cut, and a 3.02 ct pear).
LEIBISH Strengthens Position as Global Leader in Rare Colored Diamonds
LEIBISH’s winning bids for the 21 rarities highlights their unrelenting focus upon acquiring the world’s most unique, uncommon natural colored gems. With this acquisition, LEIBISH reigns as the Steward of irreplaceable diamonds for connoisseurs and elite collectors the world over.
"To secure such a considerable portion, 21 of the 52 lots in this final, historic Beyond Rare™ Tender is a tremendous honor and a testament to our dedication to excellence," said LEIBISH's president, Mr Leibish Polnauer. "These Argyle pinks and rare colored diamonds from Rio Tinto’s mines are among the most difficult stones to source globally, and their scarcity makes them a crucial investment for the future. We are thrilled to bring these final treasures to our global clientele.”
1.03 carat, A LEIBISH Fancy Vivid Purplish Pink Argyle Diamond
A Defining Moment in the Legacy of Rare Colored Diamonds
Much like the Argyle Pink Diamonds Tender, The Beyond Rare™ Tender has long been synonymous with rarity and exceptional quality. This was a pivotal moment in the diamond world, underscoring the investment value of increasingly rare colored diamonds.
LEIBISH, the world’s preeminent online resource for fancy colored diamonds and colored gemstone jewelry specializes in sourcing, cutting, and marketing the world’s most exceptional, rare colored diamonds. LEIBISH offers unparalleled expertise and access to its high-end collectors and jewelry designers.
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