Highly Important and Exceptionally Rare Fancy Vivid Pink Diamond and Diamond Ring. Photo Sotheby's

Centring on an emerald-cut fancy vivid pink diamond weighing 9.27 carats, flanked on each side by a trapeze-shaped diamond together weighing approximately 1.60 carats, mounted in platinum and 18 karat pink gold. ESTIMATE 100,000,000-150,000,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 5111249258, dated 12 October 2010, stating that the 9.27 carat diamond is natural, Fancy Vivid Pink colour, VVS1 clarity; also accompanied by a GIA special appendix stating that the diamond is classified as Type lla, pure, with virtually no nitrogen, known as the "Golconda Pink" and is amongst the rarest of all gemstones. This 9.27 carat pink diamond is not only notable for its strong color, but also for its clarity and size.

Rare and Important Fancy Vivid Blue Diamond and Pink Diamond Ring. Photo Sotheby's

Centring on a cushion-shaped fancy vivid blue diamond weighing 6.01 carats, flanked on each side by an oval pink diamond weighing 0.46 and 0.44 carat respectively, mounted in platinum. ESTIMATE 70,000,000-85,000,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2135398688, dated 25 May 2011, stating that the 6.01 carat diamond is natural, Fancy Vivid Blue colour, VVS2 clarity; also accompanied by GIA reports numbered 5131528493 and 2135528482, dated 20 and 27 June 2011, stating that the 0.46 and 0.44 carat diamonds are natural, Fancy Vivid Purplish Pink and Fancy Vivid Pink colour, I1 and VS2 clarity respectively.

Very Rare and Exquisite Fancy Vivid Orange Diamond and Diamond Ring. 

Simply set with a cushion-shaped fancy vivid orange diamond weighing 4.19 carats, to a shank set throughout with brilliant-cut diamonds, mounted in 18 karat white gold.  ESTIMATE 19,000,000-23,000,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2125937287, dated 7 February 2011, stating that the 4.19 carat diamond is natural, Fancy Vivid Orange colour, VVS1 clarity.

Exquisite Fancy Vivid Blue Diamond, Rock Crystal and Diamond Ring. 

Centring on a cushion-shaped fancy vivid blue diamond weighing 2.05 carats, embedded in a carved oval rock crystal, bordered by brilliant-cut diamonds extending to the shank, mounted in 18 karat white gold.  ESTIMATE 10,000,000-12,000,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2125990712, dated 10 February 2011, stating that the 2.05 carat diamond is natural, Fancy Vivid Blue colour, VS1 clarity.

Fancy Vivid Yellow Diamond Ring, Tiffany & Co. 

Centring on a cushion-shaped fancy vivid yellow diamond weighing 10.81 carats, to a stylised mount, mounted in platinum, signed. ESTIMATE 6,300,000-7,500,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2125671179, dated 7 October 2010, stating that the 10.81 carat diamond is natural, Fancy Vivid Yellow colour, VVS1 clarity.

Fancy Intense Yellow Diamond and Diamond Ring. 

Set with amodified cut-cornered rectangular brilliant-cut diamond weighing 25.16 carats, to split shoulders pavé-set with brilliant-cut diamonds, mounted in 18 karat white and yellow gold. ESTIMATE 3,000,000-4,000,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2135338341, dated 20 April 2011, stating that the 25.16 carat diamond is natural, Fancy Intense Yellow colour, Internally Flawless clarity.

Fancy Yellow Diamond and Diamond Ring. 

Set with a cut-cornered rectangularmodified brilliant-cut fancy yellow diamond weighing 18.88 carats, flanked by two trapeze-shaped diamonds together weighing approximately 2.10 carats, mounted in platinum and 18 karat yellow gold. ESTIMATE 2,500,000-3,000,000 HKD

NOTE: Ring size: 6

Accompanied by GIA report numbered 5111272635, dated 14 June 2011, stating that the 18.88 carat diamond is natural, Fancy Yellow colour, VVS2 clarity.

Fancy Vivid Yellowish Green Diamond, Pink Diamond and Diamond Ring, Nirav Modi. 

Centring on a cut-cornered square modified brilliant-cut fancy vivid yellowish green diamond weighing 1.68 carats, surrounded by brilliant-cut pink diamonds, to an outer frame set with pear-shaped diamonds, the diamonds together weighing approximately 2.25 carats, mounted in platinum, signed.  ESTIMATE 2,500,000-3,000,000 HKD

NOTE: Ring size: 6

Accompanied by GIA report numbered 5111491855, dated 5 January 2010, stating that the 1.68 carat diamond is natural, Fancy Vivid Yellowish Green colour, VS1 clarity; also accompanied by a signed box.

Light Pink Diamond, Fancy Light Blue Diamond and Diamond Ring. 

by two pear-shaped fancy light blue diamonds weighing 0.24 and 0.25 carat respectively, decorated by a brilliant-cut diamond-set border extending to the shoulders, mounted in platinum and 18 karat pink gold. ESTIMATE 2,000,000-2,500,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 2121984640, dated 22 June 2011, stating that the 4.30 carat diamond is natural, Light Pink colour, VS2 clarity; 16295112 and 15689139, dated 1October and 2 February 2007, stating that the 0.24 and 0.25 carat diamonds are natural, Fancy Light Blue colour.

Fancy Intense Blue Diamond, Pink Diamond and Diamond Ring. Photo Sotheby's

Of cross-over design, set with two pear-shaped fancy intense blue diamonds weighing 0.68 and 0.57 carat respectively, surrounded by oval and princess-cut pink diamonds extending to the shoulders, flanked by brilliant-cut diamonds, the diamonds and pink diamonds together weighing approximately 1.20 carats, mounted in platinum and 18 karat pink gold. ESTIMATE 1,600,000-1,800,000 HKD

NOTE: Ring size: 6¾

Accompanied by GIA reports numbered 14305527 and 10705400, dated 4 May 2005 and 29 July 1999 respectively,stating that the 0.68 and 0.57 carat diamonds are natural, Fancy Intense Blue colour, the 0.57 carat diamond of VS1 clarity.

Pair of Fancy Yellow Diamond and Diamond Pendent Earrings. Photo Sotheby's

Each suspending on an oval fancy yellow diamond weighing 6.23 and 6.23 carats respectively, surmounted by two oval diamonds weighing 1.13 and 0.51 carats, and 1.06 and 0.53 carats respectively, completed by a brilliant-cut diamond-set hoop, mounted in platinum and 18 karat yellow gold. ESTIMATE 1,500,000-1,800,000 HKD

NOTE: Accompanied by GIA reports numbered 5121860143 and 1122931722, dated 10 December 2010 and 7 July 2011 respectively, stating that both 6.23 carat diamonds are natural, Fancy Yellow colour, VS1 and VS2 clarity respectively; 2131437912 and 15702688, dated 23 May 2011 and 13 March 2007 respectively, stating that the 1.13 and 1.06 carat diamonds are D colour, VS1 and VS2 clarity respectively; 1126465783 and 6137396689, dated 17 August 2010 and 18 May 2011 respectively, stating that the 0.51 and 0.53 carat diamonds are D and E colour, VVS2 and VS2 clarity respectively.

Fancy Vivid Purplish Pink Diamond, Pink Diamond and Diamond Ring. Photo Sotheby's

Modelled as a flower, centring on a modified rectangular brilliant-cut fancy vivid purplish pink diamond weighing 0.91 carat, the petals set with four pear-shaped rose-cut diamonds surrounded by brilliant-cut pink diamonds, the shoulders pavé-set with brilliant-cut diamonds, the pink diamonds and diamonds together weighing approximately 3.40 carats, mounted in platinum. ESTIMATE 1,400,000-1,600,000 HKD

NOTE: Ring size: 5¾

Accompanied by GIA report numbered 14907930, dated 10 April 2006, stating that the 0.91 carat diamond is natural, Fancy Vivid Purplish Pink colour, VS2 clarity.

Fancy Vividy Yellow Diamond and Pink Diamond Ring, Nirav Modi. Photo Sotheby's

Centring on an emerald-cut fancy vivid yellow diamond weighing 5.30 carats, surrounded by brilliant-cut yellow diamonds, to an outer frame set with baguette pink diamonds, the diamonds together weighing approximately 1.55 carats, mounted in platinum and 18 karat yellow gold, signed. ESTIMATE 1,350,000-1,600,000 HKD.

NOTE: Ring size: 6

Accompanied by GIA report numbered 2135197484, dated 18 March 2011, stating that the 5.30 carat diamond is natural, Fancy Vivid Yellow colour, VVS2 clarity; also accompanied by a signed box.

Fancy Vivid Yellow Diamond and Diamond Ring. Photo Sotheby's

Centring on an emerald-cut fancy vivid yellow diamond weighing 3.06 carats, flanked on each side by a trapeze-shaped diamond together weighing approximately 1.60 carats, mounted in platinum. ESTIMATE 800,000-950,000 HKD

NOTE: Ring size: 6¾

Accompanied by GIA report numbered 14811934, dated 31 January 2006, stating that the 3.06 carat diamond is natural, Fancy Vivid Yellow colour, VS2 clarity.

Pink Diamond and Diamond Bracelet. Photo Sotheby's

Composed of sixteen cut-cornered square modified brilliant-cut pink diamonds together weighing 6.49 carats, each framed by brilliant-cut diamonds together weighing approximately 1.00 carat, mounted in platinum and 18 karat pink gold, length approximately 175mm. ESTIMATE 650,000-750,000 HKD

NOTE: Accompanied by sixteen GIA reports stating that the diamonds ranging from 0.34 to 0.67 carat are natural, Fancy Light Pink, Fancy Pink, Fancy Purplish Pink, Fancy Light Orangy Pink and Fancy Orangy Pink colour.

Coloured Diamond and Diamond 'Flower' Brooch. Photo Sotheby's

Modelled as a flower, composed of oval and pear-shaped diamonds of pink, yellow and blue hues together weighing 3.76 carats, each framed by brilliant-cut diamonds extending to the stem, enhanced by two marquise-shaped diamond leaves together weighing 1.00 carat, mounted in platinum, 18 karat yellow and pink gold, pendant fitting. ESTIMATE 600,000-700,000 HKD

NOTE: Accompanied by seven GIA reports stating that the diamonds ranging from 0.30 to 0.65 carat are natural, Fancy Light Gray-Blue, Fancy Blue, Fancy Light Pink, Fancy Intense Yellow and Fancy Vivid Yellow colours; with two GIA reports stating that the two 0.50 carat diamonds are D and E colour, VS2 clarity.

 

Fancy Orangy Pink Diamond and Diamond Ring. Photo Sotheby's

Of crossover design, set with a pear-shaped fancy orangy pink diamond and a pear-shaped diamond weighing 1.22 and 1.15 carats respectively, each surrounded by brilliant-cut diamonds of matching colour, extending to the shoulders, mounted in platinum and 18 karat pink gold. ESTIMATE 600,000-700,000 HKD

NOTE: Ring size: 6

Accompanied by GIA report numbered 2125533931, dated 24 November 2010, stating that the 1.22 carat diamond is natural, Fancy Orangy Pink colour, Internally Flawless clarity; 2101343490, dated 11 March 2009, stating that the 1.15 carat diamond is D colour, Internally Flawless clarity.

Pair of Pink Diamond and Diamond Pendent Earrings. Photo Sotheby's

Each suspending on an oscillating pear-shaped light pink diamond weighing 1.36 and 1.51 carats respectively, bordered by brilliant-cut pink diamonds within brilliant-cut diamond-set frames, surmounted by an inverted pear-shaped diamond weighing 0.70 and 0.62 carat respectively, joined by a 0.20 and 0.22 carat fancy purplish pink and fancy pink diamond respectively, mounted in platinum and 18 karat pink gold, clip and post fittings. ESTIMATE 550,000-700,000 HKD

Accompanied by GIA report numbered 2115152701 and 5111373161, dated 3 and 4 December 2009 respectively, stating that the 1.36 and 0.70 carat diamonds are natural, Light Pink colour, SI1 and VS1 clarity respectively; 1112366719 and 1116875521, dated 25 November 2009 and 7 April 2010 respectively, stating that the 1.51 and 0.62 carat diamonds are natural, Very Light Pink colour, SI1 and VS1 clarity respectively; 1122271442 and 2125271475, dated 24 June 2010, stating that the 0.20 and 0.22 carat diamonds are natural, Fancy Purplish Pink and Fancy Pink colour respectively.

Pair of Fancy Yellow Diamond and Diamond Pendent Earrings. Photo Sotheby's

Each suspending on a cut-cornered rectangular modified brilliant-cut fancy yellow diamond weighing 3.30 and 3.51 carats respectively, surmounted by a brilliant-cut and a pear-shaped diamond altogether weighing 1.65 carats, mounted in platinum and 18 karat yellow gold. ESTIMATE 530,000-630,000 HKD

NOTE: Accompanied by GIA reports numbered 2115570865 and 2135078815, dated 11 April 2011, stating that the 3.30 and 3.51 carat diamonds are natural, Fancy Yellow colour, Internally Flawless clarity; and four GIA reports stating that the 0.30, 0.31, 0.52 and 0.52 carat diamonds are D colour, Internally Flawless clarity.

Yellow Diamond and Diamond Ring. Photo Sotheby's

Centring on a heart-shaped coloured diamond of light yellow hue weighing approximately 8.85 carats, surrounded by brilliant-cut diamonds extending to the shoulders together weighing approximately 1.50 carats, mounted in 18 karat white and yellow gold.  ESTIMATE 460,000-580,000 HKD

NOTE: Ring size: 6

Fancy Intense Yellowish Green Diamond, Coloured Diamond and Diamond Ring. Photo Sotheby's

Centring on a cut-cornered square modified brilliant-cut fancy intense yellowish green diamond weighing 1.88 carats, to an openwork frame set with pear- and marquise-shaped diamonds of various hues, decorated by brilliant-cut diamonds extending to the shoulders, the coloured diamonds and diamonds together weighing approximately 2.35 carats, mounted in 18 karat pink gold.  ESTIMATE 400,000-480,000 HKD

NOTE: Ring size: 6

Accompanied byGIA reports numbered 2125391509, dated 21 September 2010, stating that the 1.88 carat diamond is natural, Fancy Intense Yellowish Green colour, SI1 clarity.

Fancy Intense Yellow Diamond, Coloured Diamond and Diamond Ring. Photo Sotheby's

Centring on a brilliant-cut fancy intense yellow diamond weighing 2.29 carats, to an openwork surround set with brilliant-cut and cushion-shaped diamonds of various hues, decorated by brilliant-cut diamonds extending to the shoulders, the coloured diamonds and diamonds together weighing approximately 1.95 carats, mounted in 18 karat pink and white gold. ESTIMATE 280,000-330,000 HKD

NOTE: Ring size: 6

Accompanied by GIA report numbered 2115432075, dated 4 December 2009, stating that the 2.29 carat diamond is natural, Fancy Intense Yellow colour, VS1 clarity.

Fancy Intense Greenish Yellow Diamond, Pink Diamond and Diamond Ring. Photo Sotheby's

Centring on a cut-cornered rectangular modified brilliant-cut diamond weighing 1.70 carats, surrounded by brilliant-cut diamond of pink hues, set to the shoulders with brilliant-cut diamonds, mounted in platinum and 18 karat pink gold.  ESTIMATE 95,000-120,000 HKD

NOTE: Ring size: 6

Accompanied by GIA report numbered 8808176, dated 4 November 1996, stating that the 1.70 carat diamond is natural, Fancy Intense Greenish Yellow colour, VVS1 clarity.

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong. 05 Oct 2011 www.sothebys.com