14 avril 2014

Platinum, sapphire and diamond ring

Platinum, sapphire and diamond ring. Photo Sotheby's Centering an oval-shaped sapphire weighing 10.99 carats, flanked by two triangle-shaped diamonds weighing approximately 1.75 carats, size 4¼, signed Cartier. Estimation 200,000 — 300,000 USD Accompanied by AGL report no. CS 59906 stating that the sapphire is of Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels, New York | 29 avr. 2014 - www.sothebys.com
14 avril 2014

Platinum, 18 karat gold, sapphire and diamond ring, Bulgari

Platinum, 18 karat gold, sapphire and diamond ring, Bulgari. Photo Sotheby's Centering an oval-shaped sapphire weighing 9.62 carats, flanked by two triangle-shaped brilliant-cut diamonds weighing approximately .80 carat, size 6¼, signed Bulgari, the shank inscribed 9.63. Estimation 125,000 — 150,000 USD Accompanied by Gübelin report no. 13110053 stating that the sapphire is of Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels, New York | 29 avr. 2014 - www.sothebys.com

15 janvier 2014

18 karat gold, gem-set and diamond brooch, René Boivin, France

18 karat gold, gem-set and diamond brooch, René Boivin, France. Photo Sotheby's Designed as a dolphin set with round sapphires and emeralds, with a cabochon emerald eye, suspending an oval-shaped sapphire weighing approximately 13.00 carats, further decorated with round and pear-shaped diamonds weighing approximately .60 carat, signed René Boivin, with French assay and maker's marks; circa 1960. Estimate 40,000 — 60,000 USD Sotheby's. Important Jewels. New York | 06 Feb 2014 - www.sothebys.com
01 janvier 2014

A sapphire and diamond ring

A sapphire and diamond ring. Photo courtesy Bonhams. centering an oval-shaped sapphire, weighing 12.10 carats, within a three tiered round brilliant-cut diamond surround; estimated total diamond weight: 5.20 carats; mounted in platinum; size 6. Sold for US$ 37,500 (€27,191) Accompanied by GIA report #2101532030, dated January 21, 2009, stating the sapphire as: Burma (Myanmar) origin, no indications of heating Bonhams. Fine Jewellery New York. 19 Jun 2013 - www.bonhams.com
12 décembre 2013

Platinum, sapphire and diamond ring, Bulgari

Platinum, sapphire and diamond ring, Bulgari. Photo Sothebys. The oval-shaped sapphire weighing 12.45 carats, flanked by two half-moon shaped diamonds weighing approximately 1.00 carat, further set with round diamonds weighing approximately 4.00 carats, size 6½, signed Bulgari. Estimation 35,000 — 45,000 USD. Lot. Vendu 75,000 USD Accompanied by SSEF report no. 67534 stating that the sapphire is of Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels. New York | 11 déc. 2013 www.sothebys.com
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20 novembre 2013

Platinum, sapphire and diamond 'Trombino' ring, Bulgari

  Platinum, sapphire and diamond 'Trombino' ring, Bulgari. Photo courtesy Sotheby's Centered by an oval-shaped sapphire weighing 28.09 carats, the mounting set with round and baguette diamonds weighing approximately 8.35 carats, size 8½, fitted with inner sizing band, signed Bulgari. Estimate:  $400,000 – $600,000 Accompanied by AGL report no. CS 55223 stating that the sapphire is of Classic Burmese origin, with no indications of heating. The report also states that, “The unusual combination of... [Lire la suite]
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01 mai 2013

A group of sapphire and diamond jewellery

A group of sapphire and diamond jewellery. Photo Christie's Image Ltd 2013 The necklace designed as a line of graduated oval-shaped sapphires with diamond-set crossover spacers, to the detachable oval-shaped sapphire and brilliant-cut diamond pendant of later addition, together with a pair of oval-shaped sapphire and brilliant-cut diamond earrings, mounted in gold, necklace 43.0 cm, earrings 3.0 cm(3). Estimate CHF30,000 – CHF50,000 Christie's. MAGNIFICENT JEWELS. 15 May 2013. Geneva
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20 avril 2013

Sapphire, Diamond, Platinum Bracelet, Van Cleef & Arpels

Sapphire, Diamond, Platinum Bracelet, Van Cleef & Arpels. Photo Heritage Auctions The bracelet features oval-shaped sapphires weighing a total of approximately 35.00 carats, enhanced by full-cut diamonds weighing a total of approximately 35.00 carats, set in platinum, marked Van Cleef & Arpels. Gross weight 99.90 grams. Dimensions: 7 inches x 1 inch Estimate: $50,000 - $75,000. Van Cleef & Arpels:Parisian jeweler Alfred Van Cleef opened his salon in partnership with his brothers-in-law, Julien... [Lire la suite]
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15 avril 2013

Gold, Silver, Sapphire and Diamond Brooch - Sotheby's

Gold, Silver, Sapphire and Diamond Brooch - Sotheby's Centered by an oval-shaped sapphire weighing approximately 6.25 carats, framed by 36 French-cut sapphires weighing approximately 17.75 carats, accented by rose-cut diamonds weighing approximately .65 carat; last quarter of the 19th century. Estimate: 20,000 - 30,000 USD Sotheby's. Magnificent Jewels. New York | 17 Apr 2013 - www.sothebys.com
06 avril 2013

18 Karat Gold, Platinum, Sapphire and Diamond 'Prince of Wales' Ring, Verdura

18 Karat Gold, Platinum, Sapphire and Diamond 'Prince of Wales' Ring, Verdura - Sotheby's Centered by an oval-shaped sapphire weighing approximately 30.00 carats, accented by round diamonds weighing approximately 2.10 carats, size 3½, fitted with inner sizing spheres, partially signed Verdura. With signed box. Estimation: 40,000 - 60,000 USD Sotheby's. Magnificent Jewels. New York | 17 avr. 2013 - www.sothebys.com
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