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25.50-Carat Brilliant-Cut Unmounted DColour Flawless Diamond. Photo Sotheby's

QUEK Chin Yeow, Deputy Chairman and Head of Jewellery Department, Sotheby’s Asia. said, “Today’s offering of jewels and jadeite at Sothebys Hong Kong achieved the Second Highest Jewellery Sale Total Ever For The Company In Asia with interest weII spread throughout the sale. Asian private collectors dominated the sale of superlative jewels and gemstones of the most coveted quality. High colour white diamonds continue as in past seasons to seil well, resulting in top prices For a 25.SO-carat Brilliant-Cut Unmounted DColour Flawless Diamond and For A Pair of DIE Diamond Pendent Earrings, totalling 36.48 carats by Harry Winston. Leading the extraordinary selection of the finest Mogok Rubies in our Red SaIe was an Important 27.67-carat Burmese Ruby Cabochon and Diamond Ring, Bulgari, which brought HK$17.460.000 / US$2.238.462. A very rare 23.19-carat Brazilian Cat’seye Alexandrite, Alexandrite and Diamond Ring fetched HK$11.860.000 / US$1.520.513.”

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25.50-Carat Brilliant-Cut Unmounted DColour Flawless Diamond. Photo Sotheby's

An unmounted brilliant-cut diamond weighing 25.50 carats. Estimate 30,000,000—38,000,000 HKD. Lot Sold 39,860,000 HKD (5,110,256 USD) to an Asian Private

Accompanied by GIA report numbered 5121745598, dated 10 February 2011, stating that the 25.50 carat diamond is D colour, Flawless clarity, with Excellent Cut, Polish and Symmetry; also accompanied by diamond type classification report stating that the diamond is determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

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A Pair of Diamond Pendent Earrings Totalling 36.48 Carats, Harry Winston. Photo Sotheby's

Each suspending on a pear-shaped diamond weighing 14.42 and 14.04 carats respectively, surmounted by an oval diamond weighing 4.01 carats respectively, mounted in platinum, signed and numbered 83441. Estimate 32,000,000—38,000,000 HKD. Lot Sold 37,620,000 HKD (4,823,077 USD) to an Asian Private

Accompanied by GIA reports numbered 1102935483 and 1102935488, dated 8 June 2010, stating that the 14.42 and 14.04 carat diamonds are D colour, Internally Flawless clarity; also accompanied by GIA reports numbered 17246461 and 17215472, dated 11 June and 16 May 2008 respectively, stating that the 4.01 and 4.01 carat diamonds are D colour, Internally Flawless clarity.

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11.66-Carat Brilliant-Cut D-Colour lnternally Flawless Diamond Ring. Photo Sotheby's

 Simply set with a brilliant-cut diamond weighing 11.66 carats, mounted in 18 karat white gold. Estimate 13,500,000—16,000,000 HKD. Lot Sold 18,580,000 HKD (2,382,051 USD) to an Asian Private

Ring size: 5½

Accompanied by GIA report numbered 1122820396, dated 7 January 2011, stating that the 11.66 carat diamond is D colour, Internally Flawless clarity, with Excellent Cut, Polish and Symmetry; also accompanied by diamond type classification report stating that the diamond is a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

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26.67-Carat Burmese Ruby Cabochon And Diamond Ring, Bulgari. Photo Sotheby's

Centring on a sugar loaf cabochon ruby weighing 27.67 carats, flanked on each side by a shield-shaped diamond together weighing approximately 3.00 carats, mounted in platinum and 18 karat yellow gold, signed. Estimate 12,000,000—20,000,000 HKD. Lot Sold 17,460,000 HKD (2,238,462 USD) to an Asian Private

Ring size: 6½

Accompanied by Gübelin report numbered 1008677, dated 26 August 2010, stating that the 27.67 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of heating; also accompanied by GRS report numbered GRS2010-092136(Award No 605) and AGL report numbered CS42207, dated 20 September and 12 May 2010 respectively, stating that the 27.67 carat ruby is natural, of Burmese (Myanmar) origin, Vivid Red colour (GRS type "Pigeon's Blood"), with no gemological evidence of heating. Further accompanied by Gübelin and GRS appendix stating that this ruby originates from the classical and historical mines of Mogok, the most appreciated mining area and the origin of the world's most famous rubies. Very rare combination of size, fine colour and spared of thermal enhancement. 

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10.05-Carat Old European-Cut DColour lnternally Flawless Diamond Ring, Mounted By Cartier. Photo Sotheby's

Centring on an old European-cut diamond weighing 10.05 carats, flanked on each side by an emerald-cut diamond together weighing approximately 2.00 carats, mounted in platinum, signed. Estimate 13,500,000—16,000,000 HKD. Lot Sold 15,220,000 HKD (1,951,282 USD) to an Asian Private

Accompanied by GIA report numbered 2125341822, dated 12 November 2010, stating that the 10.05 carat diamond is D colour, Internally Flawless clarity; also accompanied by diamond type classification report stating that the diamond is determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Further accompanied by Gübelin report numbered 1010286, dated 2 November 2010, stating that the 10.05 carat diamond is D colour, Internally Flawless clarity; also accompanied by an appendix stating that the diamond is a Type IIa diamond. 

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Ruby And Diamond Necklace And A Pair of Matching Pendent Earrings, Totalling 29 Rubies. Photo Sotheby's

Composed of twenty-six graduating oval and cushion-shaped rubies, each spaced by a cluster of marquise-shaped diamonds, accompanied by a pendant set with a cushion-shaped ruby, framed by pear-shaped diamonds, completed at the back by marquise-shaped diamond links, accented by an oval ruby, length approximately 405mm, pendant detachable; and pair of matching earrings; the rubies and diamonds altogether weighing approximately 75.56 and 32.50 carats respectively; mounted in 18 karat white and yellow gold. (2). Estimate 11,000,000—15,000,000 HKD. Lot Sold 14,100,000 HKD (1,807,692 USD) to a Private

Accompanied by Gübelin report numbered 1012237/1 and 1012237/2, dated 6 January 2011, stating that the rubies are natural, of Burmese (Myanmar) origin, with no indications of heating; also accompanied by GRS report numbered GRS2011-012845 (Award No 636), dated 26 January 2010, stating that the rubies are natural, of Burmese (Mogok, Myanmar) origin, Vivid Red colour (GRS type "Pigeon's Blood"), with no indication of thermal treatment, and special comment "Extremely rare set of magnificent rubies of excellent colour 'Pigeon's Blood', good brilliancy and transparency, and spared of thermal enhancement."

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2 5.26-Carat Fancy Vivid Yellow Diamond And Diamond. Photo Sotheby's

Centring on a square step-cut fancy vivid yellow diamond weighing 25.26 carat, flanked on each side by a trapeze-shaped diamond together weighing approximately 1.50 carats, mounted in platinum and 18 karat yellow gold. Estimate 13,000,000—16,000,000 HKD. Lot Sold 14,100,000 HKD (1,807,692 USD) to an Asian Private

Ring size: 5¾

Accompanied by GIA report numbered 1122740330, dated 25 October 2010, stating that the 25.26 carat diamond is natural, Fancy Vivid Yellow colour, VS1 clarity.

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23.19-Carat Rare Brazilian Cat’s-Eye Alexandrite, Alexandrite And Diamond Ring. Photo Sotheby's

Centring on a round cabochon cat's-eye alexandrite weighing 23.19 carats, to a stylised bombé surround pavé-set with circular-cut alexandrites and diamonds, the alexandrites together weighing approximately 2.00 carats, mounted in 18 karat white gold. Estimate 10,000,000—12,000,000 HKD. Lot Sold 11,860,000 HKD (1,520,513 USD) to an Asian Private

Ring size: 8¼

Accompanied by AGL report numbered CS43748, dated 25 January 2011, stating that the 23.19 carat cat's-eye alexandrite is natural, of Brazilian origin, with no gemological evidence of enhancements/treatment present; further accompanied by AGL special report, stating that 'In addition to the remarkable size possessed by this gem, it also exhibits a colour-change and cat's-eye effect that has been classified as being of extraordinary quality. The chatoyancy or cat's-eye effect is Prominent in strength and Excellent in quality... This is the finest cat's-eye alexandrite of this size that the American Gemologial Laboratories, LLC has ever examined.'

Further accompanied by Gübelin report numbered 0607123, dated 31 July 2006, stating that the 23.19 carat cat's-eye alexandrite is natural, of Brazilian origin, and displays a distinct colour-change combined with a well-centered and pronounced chatoyancy; and an appendix stating that this alexandrite possesses a very high degree of transparency, combined with a very strong colour-change effect, from bluish-green when viewed in daylight to reddish-purple upon exposure to incandescent light, the combination of high clarity and pronounced colour-change effect in a Brazilian Cat's-eye alexandrite of this size is rare.

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A Pair 0f 5.01 & 5.02-Carat Brilliant-Cut Unmounted D-Colour Flawless Diamond. Photo Sotheby's

Two unmounted brilliant-cut diamonds weighing 5.01 and 5.02 carats respectively. Estimate 9,500,000—12,000,000 HKD. Lot Sold 11,860,000 HKD (1,520,513 USD) to an Asian Private

Accompanied by GIA reports numbered 12018731 and 11918479, dated 20 January and 18 January 2011 respectively, stating that the 5.01 and 5.02 carat diamonds are D colour, Flawless clarity, with Excellent Cut, Polish and Symmetry; also accompanied by diamond type classification reports stating that both diamonds are determined to be Type IIa diamonds. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

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8.88-Carat Cushion-Shaped D-Colour internally Flawless Diamond And A Pair 0f 5.34 & 5.71-Carat Columbian Emeralds Ring. Photo Sotheby's

Centring on a cushion-shaped diamond weighing 8.88 carats, flanked on each side by a cushion-shaped emerald weighing 5.34 and 5.71 carats respectively, further embellished by a cushion shaped diamond on each side, mounted in platinum. Estimate 8,000,000—10,000,000 HKD. Lot Sold 9,620,000 HKD (1,233,333 USD) to an Anonymous.

Ring size: 5½

Accompanied by GIA report numbered 1102794029, dated 16 March 2010, stating that the 8.88 carat diamond is D colour, Internally Flawless clarity; also accompanied by diamond type classification report stating that the diamond is determined to be Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Further accompanied by AGL reports numbered CS42182 and CS42183, dated 27 May 2010, stating that the 5.34 and 5.71 carat emeralds are natural, of Colombian origin, with faint degree of clarity enhancement

Sotheby's. Magnificent Jewels and Jadeite. 06 Apr 11. Hong Kong www.sothebys.com