Star sapphire

Star sapphire and diamond ring - Sotheby's.   Set with a star sapphire between shoulders set with brilliant-cut and baguette diamonds, size 52½, numbered. Estimate: 4,000 - 6,000 GBP Sotheby's. Jewels. London | 11 Apr 2013 www.sothebys.com

18 Karat Gold, Star Sapphire and Diamond Ring - photo Sotheby's Centered by a round star sapphire measuring approximately 15.2 by 9.7 mm, flanked by eight small round diamonds, size 4, signed Yard. Estimation: 15,000 - 20,000 USD Sotheby's. Important Jewels. New York | 07 févr. 2013 www.sothebys.com

An Art Deco platinum, star sapphire and diamond bracelet. Photo Christie's Image Ltd 2013 The central collet-set cabochon star sapphire to a pierced, articulated panel of geometric design millegrain-set with old single-cut diamonds, between diamond pierced panel articulated shoulders each set in the centre with an old brilliant-cut diamond collet, to a brilliant and baguette-cut diamond articulated tapering back, circa 1925, 17.0cm long. Estimate: £5,000 - £7,000 Christie's. Jewellery.16 January... [Lire la suite]

An Art Deco Sapphire and Diamond Sautoir, by Bulgari. Photo Christie's Image Ltd 2012 The baguette and circular-cut diamond geometric pendant centering upon a star sapphire, suspended from a sautoir composed of cabochon sapphire and diamond cluster panels with diamond collet connecting links, detaches to form three bracelets, mounted in platinum and gold, 1930s, sautoir 70.5 cm, pendant 6.5 cm, bracelets 18.2, 18.2 and 19.0 cm. Signed Bulgari. Estimate CHF300,000 - CHF500,000 Provenance: Christie's... [Lire la suite]

The Star of Bombay The Star of Bombay is a remarkable 182-carat star sapphire bequeathed by Mary Pickford. It is part of the gem and mineral collections of the Smithsonian's National Museum of Natural History.

Sapphire and Diamond ring  Photo Sotheby's The ring centring on an antique cushion-shaped sapphire weighing 10.40 carats, flanked on each side by a cushion-shaped diamond weighing 2.41 and 2.07 carats respectively, mounted in platinum. ESTIMATE 6,500,000-8,000,000 HKD - Lot Sold: 10,180,000 HKD Ring size: 6 Accompanied by SSEF report numbered 59268, dated 7 April 2011, stating that the 10.40 carat sapphire is natural, o Kashmir origin, with no indications of heating. Further accompanied by GIA reports numbered... [Lire la suite]

  Platinum, Star Sapphire And Diamond Ring, Circa 1930. Photo Sotheby's The cabochon star sapphire weighing approximately 84.00 carats, flanked by triangular-shaped diamonds weighing approximately .90 carat, size 5¾. Estimate 15,000-20,000 USD Sotheby's. Magnificent Jewels, New York 20 september 2011 www.sothebys.com

Platinum, Star Sapphire And Diamond Ring, Trabert & Hoeffer Mauboussin. Photo Sotheby's The oval cabochon star sapphire weighing approximately 65.00 carats, flanked by calf's head-shaped and tapered baguette diamonds weighing approximately 1.10 carats, size 5½, signed T&H-M, numbered 3380. Estimate 7,500-10,000 USD Property From The Collection Of A Virginia Family  Sotheby's. Magnificent Jewels, New York 20 september 2011 www.sothebys.com

Unique Kashmir sapphire and diamond ring, circa 1938, Van Cleef & Arpels. photo courtesy Sotheby's Centring on an invisibly-set cushion-shaped sapphire weighing 7.54 carats, framed by tapered baguette diamonds, the shank accented with brilliant-cut diamonds, the diamonds together weighing approximately 5.40 carats, mounted in platinum plated with 18 karat yellow gold, signed and numbered N.Y. 42059, ring guard fitting.. Estimate 3,200,000—4,000,000 HKD. Lot Sold 4,580,000 HKD PROVENANCE: The Estate of Cornelius... [Lire la suite]

Sapphire and diamond ring. Photo Sotheby's The cushion-shaped sapphire weighing 21.24 carats, flanked by trapeze-cut and round diamonds weighing approximately 2.10 carats, mounted in platinum, size 5¾. Est. 90,000—110,000 USD. Lot Sold 110,500 USD Pair of sapphire and diamond earrings. Photo Sotheby's Pear-shaped sapphires weighing approximately 10.85 carats, round and rose-cut diamonds weighing approximately 1.20 carats, mounted in platinum. Est. 12,000—15,000 USD. Lot Sold 26,250 USD Sapphire and... [Lire la suite]