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 sale of Magnificent Jewels and Noble Jewels

Curated By: Forbes India

Published: May 19, 2016

In addition to receiving the highest possible colour grading for a pink diamond from the Gemological

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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 “Unique Pink” has been found to be Type IIa, displaying “exceedingly pure structure”.

The stone’s exquisite pear shape and brilliant cut accentuate its exceptional saturation,

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

Upon inspection by the institute, the hue, tone and saturation of the “Unique Pink” was

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Upon inspection by the institute, the hue, tone and saturation of the “Unique Pink” was determined to be Fancy Vivid Pink – the strongest saturation possible and described as “absolutely mesmerizing”.

Very fine diamond brooch, Cartier, 1911: Designed as a bow composed of open work motifs millegrain-s

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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 — 150,000
Lot sold: CHF 310,000 (Hammer Price with Buyer's Premium)

Jewels From The Collection Of The Princes Doria Pamphilj: Of floral design, set with a pear-sh

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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 1840
Estimate: CHF 960,000 — 1,920,000
LOT SOLD: CHF 1,690,000 (Hammer Price with Buyer's Premium)

Attractive fancy blue diamond ring: Set with a step-cut fancy blue diamond weighing 14.18 carats, on

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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 diamonds
Price: CHF 3,610,000 (US$3,696,098 / HK$ 28,689,735 )

Superb fancy vivid blue diamond ring: Set with a pear-shaped fancy vivid blue diamond of excep

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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 51
Sale price: $17.1m / CHF 16.7m for an Internally Flawless 7.32-carat Fancy Vivid Blue ($2,337,791 per carat)

Set with a marquise-shaped fancy intense blue diamond weighing 6.64 carats, highlighted with t

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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 Blue diamond achieves $13,672,493 / CHF 13,354,000 - surpassing the previous auction record set by Sotheby’s Geneva in May 2010.

Very fine sapphire and diamond ring, Van Cleef & ArpelsEstimate: CHF 720,000 — 1,200,000 L

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

Very important and unique gem set and diamond demi-parure, Van Cleef & Arpels, 1960sEstimate: CH

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

An important Fancy Purplish Pink diamond ring weighing 8.20 carats sold for $3,696,098 / CHF 3,610,0

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An important Fancy Purplish Pink diamond ring weighing 8.20 carats sold for $3,696,098 / CHF 3,610,000 ($450,744 per carat)
(LOT 420, estimate $2-4m / CHF 1.9-3.8m)

Fine sapphire and diamond ring: Set with a cushion-shaped sapphire weighing 8.27 carats, between mar

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Fine sapphire and diamond ring: Set with a cushion-shaped sapphire weighing 8.27 carats, between marquise-shaped diamonds, size 51.
Estimate: CHF 960,000 — 1,150,000
LOT SOLD. 1,450,000 CHF (Hammer Price with Buyer's Premium)

An Important Fancy Pink diamond pendant weighing 18.51 carats totals $9,773,672 / CHF 9,546,000 ($52

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An Important Fancy Pink diamond pendant weighing 18.51 carats totals $9,773,672 / CHF 9,546,000 ($528,021 per carat)
(LOT 411A, estimate $5-8m / CHF 4.8-7.7m)

A Pair of Important Pear-Shaped Fancy Blue and Fancy Orangy Pink Diamond Earrings, 8.85 and 8.79 car

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A Pair of Important Pear-Shaped Fancy Blue and Fancy Orangy Pink Diamond Earrings, 8.85 and 8.79 carats respectively, VS2 and VVS2 clarity respectively
Lot: 462
Price: CHF 5,850,000 (US$ 5,989,522 / HK$ 46,491,675)
Estimate: CHF 1,920,000 - 2,880,000

Pair of gem set and diamond ear clips, 'Tutti Frutti', Cartier, circa 1925Estimate: CHF 75,0

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Pair of gem set and diamond ear clips, 'Tutti Frutti', Cartier, circa 1925
Estimate: CHF 75,000 — 115,000
Lot sold: CHF 225,000 (Hammer Price with Buyer's Premium)

Set of four diamond plaques de cou, Cartier, 1907The central plaque decorated with a pierced and mil

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Set of four diamond plaques de cou, Cartier, 1907
The central plaque decorated with a pierced and millegrain-set articulated plaque of foliate design set with circular-cut and rose diamonds, supporting three slightly baroque button shaped natural pearls measuring approximately 9.05 x 9.15 x 7.45mm, 9.70 x 10.60 x 8.70mm and 9.10 x 9.50 x 7.65mm, to a later collar composed of ten rows of natural and cultured pearls, length approximately 350mm, signed Cartier.
Estimate: CHF 220,000 — 380,000
Lot sold: CHF 250,000 (Hammer Price with Buyer's Premium)