29 avril 2014

A sapphire and diamond necklace, by Harry Winston

A sapphire and diamond necklace, by Harry Winston. Photo Christie's Image Ltd 2014. Designed as a series of graduated cushion-shaped sapphires linked with marquise-shaped and brilliant-cut diamond clusters, mounted in platinum, inner circumference 36.5 cm, in black leather Harry Winston case. With maker's mark of Jacques Timey and signed Winston for Harry Winston. Estimate CHF450,000 – CHF630,000 ($511,848 - $716,588) Accompanied by report no. 73705 dated 27 March 2014 from the SSEF Swiss Gemmological Institute stating that the... [Lire la suite]

26 avril 2014

Sapphire and diamond necklace, first half of the 19th century

Sapphire and diamond necklace, first half of the 19th century. Photo Sotheby's Composed of a series of alternating links set with cushion-shaped sapphires and cushion-shaped, circular-, single-cut and rose diamonds, the front suspending three detachable pendants featuring a pear- and a trapeze-shaped sapphire, length approximately 480mm, one small diamond deficient. Estimation 90,000 — 140,000 CHF Accompanied by SSEF report no. 72812, stating that the fifteen sapphires are of Ceylon origin, with no indications of heating. ... [Lire la suite]
26 avril 2014

A sapphire and diamond necklace, by Harry Winston

A sapphire and diamond necklace, by Harry Winston. Photo Christie's Image Ltd 2014. The chevron-shaped brilliant-cut diamond necklace suspending at the front a detachable pendant/brooch centering upon an oval-shaped sapphire, weighing approximately 57.92 carats, within three rows of graduated brilliant-cut diamonds, mounted in platinum, pendant 4.2 cm.With maker's mark for Jacques Timey and signed Winston for Harry Winston. Estimate CHF1,100,000 – CHF1,800,000 ($1,251,287 - $2,047,561) Accompanied by report no. 72711 dated 14... [Lire la suite]
25 avril 2014

Natural pearl, sapphire and diamond necklace

Natural pearl, sapphire and diamond necklace. Photo Sotheby's. Composed of three graduated rows of natural pearls measuring from approximately 3.50 to 9.50mm, the clasp set with an oval sapphire within a frame of cushion-shaped diamonds, shortest length approximately 104mm. Estimation 200,000 — 300,000 CHF Accompanied by a gemmological report. Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - www.sothebys.com
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25 avril 2014

'The Pearls of the House of Orange', a natural pearl, sapphire and diamond necklace, 17th century and later

'The Pearls of the House of Orange', a natural pearl, sapphire and diamond necklace, 17th century and later. Photo Sotheby's. Composed of a strand of lightly graduated natural pearls, measuring from approximately 8.10 to 11.10mm, the clasp set with a cushion-shaped sapphire, framed with oval and circular-cut diamonds, length approximately 425mm. Estimation 148,000 — 200,000 CHF Accompanied by SSEF report no. 73602, stating that the forty pearls were found to be natural, saltwater, and that the sapphire on the clasp is of Ceylon... [Lire la suite]
12 avril 2014

A sapphire and diamond necklace

A sapphire and diamond necklace. Photo: Bonhams. The chain of brilliant-cut diamond annular links, alternating with oval-cut sapphire and brilliant-cut diamond clusters, diamonds approximately 20.40 carats total, length 41.8cm. Estimate £10,000 - 12,000 (€12,000 - 14,000)Bonhams. FINE JEWELLERY, 30 Apr 2014, London, New Bond Street -www.bonhams.com
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03 avril 2014

An Art Deco Sapphire and Diamond Necklace, by Tiffany & Co

An Art Deco Sapphire and Diamond Necklace, by Tiffany & Co. Photo Christie's Image Ltd 2014 Suspending a detachable pendant, centering upon an oval-cut sapphire, weighing approximately 29.59 carats, within a circular-cut diamond surround, from a tapered circular-cut diamond and calibré-cut sapphire plaque, to the circular-cut diamond neckchain, mounted in platinum, circa 1920, 14½ ins. Pendant signed Tiffany & Co. Estimate: $120,000 – $180,000With report 13100319 dated 19 November 2013 from the Gübelin Gem Lab... [Lire la suite]
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03 avril 2014

A sapphire and diamond necklace, by Bvlgari

A sapphire and diamond necklace, by Bvlgari. Photo Christie's Image Ltd 2014 Designed as a graduated series of oval-cut sapphires, spaced by marquise-cut diamonds, to the baguette-cut diamond backchain, joined by an oval-cut sapphire clasp, mounted in platinum, 16¼ ins. Signed BVLGARI. Estimate $70,000 – $100,000 Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com
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01 avril 2014

A sapphire and diamond necklace, by Cartier

A sapphire and diamond necklace, by Cartier. Photo Christie's Image Ltd 2014 Suspending a fringe of cushion and oval-cut sapphires, each within a variously-cut diamond surround, to the line of oval-cut sapphires of similar design, intersected by baguette-cut diamond scrolling detail, 15 ins. Signed Cartier, nos. 934241 and 860243. Estimate $150,000 – $200,000 With report CS 59827 dated 13 March 2014 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that of the sixteen sapphires, an excess... [Lire la suite]
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19 mars 2014

Impressive and Rare Sapphire and Diamond Necklace

Impressive and Rare Sapphire and Diamond Necklace. Photo Sotheby's Suspending a cushion-shaped sapphire weighing 102.61 carats, surrounded by brilliant-cut diamonds, completed by a double-strand necklace set with brilliant-cut diamonds, the diamonds together weighing approximately 60.00 carats, mounted in 18 karat white gold, length approximately 460mm. Estimate – $2,836,680 - $3,868,200 USD Accompanied by AGL and SSEF reports numbered CS 58713 and 72488, dated 14 January and 5 February 2014, stating that the sapphire is... [Lire la suite]