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Lot 138
Fancy Vivid Purplish Pink Diamond and Diamond Ring
Estimate:
HK$3,500,000 - 5,500,000
US$450,000 - 705,000

Modelled as a flower, the pistil set with a radiant-cut fancy vivid purplish pink diamond weighing 1.03 carats, the petals of eight pear-shaped diamonds together weighing 4.18 carats, mounted in 18 karat white gold. Ring size: 6¼

Accompanied by GIA report numbered 1162663555, dated 19 May 2015, stating that the 1.03 carat diamond is natural, Fancy Vivid Purplish Pink colour, VS1 clarity;
Argyle Pink Diamond report numbered 296921, dated 3 November 2014, stating that the 1.05 carat diamond is Western Australia origin, "4BP" colour, VS1 clarity;
eight GIA reports, stating that the 4.18 carat diamonds ranging from 0.55 to 0.50 carat are D to E colour, VVS2 to VS2 clarity, seven with Excellent Polish, one with Excellent Symmetry.

ARGYLE PINK DIAMOND
Pink diamonds are amongst the rarest in coloured diamonds. As one of the highest yielding diamond mines in the world, Argyle diamond mine, nestled in Western Australia, supplies 90% of the world’s pink diamonds.
The discovery of Argyle diamond deposits is by accident. In 1895, gold prospectors first found traces of diamonds in Western Australia. Later on, a scant amount of diamond deposits were recovered by exploration teams, but it was insufficient. Not until 1983, the Australian mining company Rio Tinto began alluvial operations, and kicked off open pit mining in 1985. Since then, the Argyle mine becomes a fabled name to the world. Since opening its doors over 30 years ago in 1985, the Argyle mine has produced 865 million carats of rough diamonds. Among them, over 90% are brown-to-yellow hued stones. Only 5% of mined diamonds are of gem quality, out of which just 0.01% is classified as Argyle pink diamonds, making them extremely rare. Unlike other pink diamonds, Argyle pink diamonds are celebrated for their superlative quality and vibrant hues. They are relatively small, but they are more intense in colour and rich in saturation that qualify them as the miracle of Nature.
After decades of mining, Rio Tinto announced the closure of its Argyle mine at the end of 2020. Legendary pink diamonds from Western Australia become a historical treasure that is remarkably rare.
This season, Tiancheng International is proud to offer an exquisite ring comprising a 1.03-carat natural fancy vivid purplish pink diamond (Lot 138) from the eminent Argyle mine. Evoking the true legacy of Argyle mine, this enticing pink stone is a prized wonder that sets to allure all diamond aficionados.