Rare 15.38-carat pink diamond fetches $31.6 million

The spectacular "Unique Pink", a supremely rare Fancy Vivid Pink diamond weighing 15.38 carats sold for an exceptional $31,561,200 / CHF 30,826,000 (price per carat: $2,052,094) at Sotheby's Geneva sa

May 19, 2016, 13:56 IST5 min

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In addition to receiving the highest possible colour grading for a pink diamond from the Gemological Institute of America (GIA), the &ldquoUnique Pink&rdquo has been found to be Type IIa, displaying &ldquoexceedingly pure structure&rdquo.

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The stone&rsquos exquisite pear shape and brilliant cut accentuate its exceptional saturation, placing it in a rarefied category even among the world&rsquos most beautiful diamonds.

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Upon inspection by the institute, the hue, tone and saturation of the &ldquoUnique Pink&rdquo was determined to be Fancy Vivid Pink &ndash the strongest saturation possible and described as &ldquoabsolutely mesmerizing&rdquo.

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Very fine diamond brooch, Cartier, 1911: Designed as a bow composed of open work motifs millegrain-set with circular-, single-cut, marquise-, pear-shaped and rose diamonds, signed Cartier, French assay marks.Estimate: CHF 100,000 &mdash 150,000Lot sold: CHF 310,000 (Hammer Price with Buyer's Premium)

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Jewels From The Collection Of The Princes Doria Pamphilj: Of floral design, set with a pear-shaped diamond, the petals set with cushion-shaped, circular-, single-cut and rose diamonds.Important diamond pendant, circa 1840Estimate: CHF 960,000 &mdash 1,920,000LOT SOLD: CHF 1,690,000 (Hammer Price with Buyer's Premium)

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Attractive fancy blue diamond ring: Set with a step-cut fancy blue diamond weighing 14.18 carats, on a mount set with brilliant-cut diamondsPrice: CHF 3,610,000 (US$3,696,098 / HK$ 28,689,735 )

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Superb fancy vivid blue diamond ring: Set with a pear-shaped fancy vivid blue diamond of exceptional colour weighing 7.32 carats, size 51Sale price: $17.1m / CHF 16.7m for an Internally Flawless 7.32-carat Fancy Vivid Blue ($2,337,791 per carat)

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Set with a marquise-shaped fancy intense blue diamond weighing 6.64 carats, highlighted with two pear-shaped fancy intense blue diamonds weighing 2.01 and 1.01 carats, further accented with similarly shaped colourless diamonds, may be worn as a pendant, signed A. Reza, French assay and maker's marks.Coming to auction from a noble collection, a brooch featuring a 6.64-carat Fancy Intense

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Very fine sapphire and diamond ring, Van Cleef & ArpelsEstimate: CHF 720,000 &mdash 1,200,000 Lot sold: CHF 2,050,000 (Hammer Price with Buyer's Premium)

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Very important and unique gem set and diamond demi-parure, Van Cleef & Arpels, 1960sEstimate: CHF 1,440,000 &mdash 2,400,000Lot sold: CHF 1,570,000 (Hammer Price with Buyer's Premium)

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