11 décembre 2010

Jewelry Records Continue to Fall at Sotheby’s

Magnificent Platinum and Diamond Pendant-Necklace, Tiffany & Co.  photo Sotheby's Following record-breaking Jewelry sales at Sotheby’s Hong Kong in October and Sotheby’s Geneva in November, yesterday’s auctions of Magnificent Jewels and Jewels from the Estate of William B. Dietrich achieved $53.2 million in total, the highest ever total for a day of Jewelry sales at Sotheby’s New York and the market’s best New York Jewelry auction this autumn. Buyers responded to quality in the Magnificent Jewels sale, with each of the... [Lire la suite]
19 novembre 2010

Sapphire jewelry @ Sotheby's Geneva

Attractive Sapphire and diamond ring, Faraone, circa 1970. photo courtesy Sothebys Centring on an octagonal sapphire weighing 12.76 carats, within a ballerina setting of baguette and tapered baguette diamonds, the shoulders set with similar stones, mounted in platinum, Italian assay and maker's marks, size 50, with ring sizer. Est. 200,000—300,000 CHF. Lot Sold 722,500 CHF Accompanied by Gübelin report no. 1007141 stating that the sapphire is of Kashmir origin, with no indications of heating. Fine Sapphire and... [Lire la suite]
17 novembre 2010

Bulgari jewelry @ Sotheby's Geneva

Sapphire and diamond ring, Bulgari. photo courtesy Sothebys The cushion-shaped sapphire weighing 13.08 carats, to a mount set with baguette, fancy- and brilliant-cut diamonds, mounted in white gold, size 50, signed Bulgari. Est. 70,000—100,000 CHF. Lot Sold 98,500 CHF Accompanied by Gübelin report no. 9406059, dated June 30th, 1994, stating that the sapphire is of Burmese origin, with no evidence of thermal treatment. Sapphire and diamond ring, Bulgari. photo courtesy Sothebys Centring on a sugarloaf cabochon... [Lire la suite]
02 octobre 2010

Harry Winston jewelry @ Sotheby's, Important Jewels, New York

A Highly Important Platinum and Diamond Pendant-Necklace, Harry Winston. photo courtesy Sotheby's The pear-shaped diamond weighing 10.02 carats, completed by a necklace set with pear-shaped and round diamonds weighing a total of approximately 30.00 carats, length 16 inches, signed HW for Harry Winston, numbered 65522 and 64108. With signed pouch.- Estimate 1,000,000—1,500,000 USD. Lot Sold 1,286,500 USD Accompanied by GIA report no. 16183096 stating that the diamond is D color, Internally Flawless. Together with a... [Lire la suite]
17 septembre 2010

A yellow sapphire, diamond and cultured pearl pendant/necklace, by Cartier

A yellow sapphire, diamond and cultured pearl pendant/necklace, by Cartier. photo courtesy Bonhams The pendant set with a large cushion-shaped yellow sapphire beneath an articulated buckle-shaped surmount pavé-set with brilliant-cut diamonds, suspended from a slightly graduated single-strand cultured pearl necklace, the 8.0-8.9mm., cultured pearls of aubergine tint, highlighted at intervals with pavé-set brilliant-cut diamond roundels and spheres, diamonds approximately 7.50 carats total, yellow sapphire untested, signed... [Lire la suite]
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09 septembre 2010

Flawless Six Carat Diamond Never Before Seen at Auction is Highlight of Bonhams September Sale

A magnificent diamond single-stone ring, circa 1940. Estimate: £150,000 - 200,000. photo courtesy Bonhams A magnificent late art deco diamond ring is the highlight of the Bonhams Fine Jewellery sale which will take place in New Bond Street on September 22nd. The Asscher-cut diamond, weighing 6.82 carats, is D colour, potentially flawless and Type IIa. Type IIa diamonds are the most chemically pure type of diamond and possess exceptional optical transparency. Famous gem diamonds that are Type IIa include the Cullinan I... [Lire la suite]
07 mai 2010

Unmounted Kashmir Sapphires @ Sotheby's Magnificent Jewels, 20 Apr 10, New York

Two Unmounted Sapphires. photo Sotheby's The two cushion-shaped sapphires weighing 8.37 and 8.02 carats. Est. 500,000—700,000 USD. Lot Sold 1,082,500 USD NOTE: Accompanied by AGL report nos. CS 41712 and CS 41711 stating that the sapphires are of Kashmir origin, no gemological evidence of heat. Also accompanied by Gübelin report no. 1003012/1 and 2 stating that the sapphires are of Kashmir origin, no indications of heating. Two Unmounted Sapphires. photo Sotheby's The cushion-shaped sapphires weighing 6.39... [Lire la suite]
Posté par Alain Truong à 23:29 - - Commentaires [0] - Permalien [#]
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05 février 2010

Selection of sapphires jewels sold @ Sotheby's. Important Jewels. 03 Feb 10. New York

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]
07 janvier 2010

A selection of sapphire jewelry sold @ Sotheby's, Magnificent Jewels, New York

Sapphire and diamond bracelet. Photo Sotheby's Cushion-shaped sapphires weighing 6.87, 9.58, 8.97, 10.68, 14.62, 18.57, 10.83, 10.43, 10.03, 8.46 and 6.00 carats, emerald-cut diamonds weighing approximately 7.10 carats, mounted in platinum, length 7 inches. Est. 400,000—600,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  482,500 USD NOTE: Accompanied by AGTA report no. 96033312 stating that the sapphires are of Sri Lakan origin; indications of heating. Sapphire and diamond ring. Photo Sotheby's... [Lire la suite]
07 juin 2009

A cushion-shaped sapphire and diamond ring

A cushion-shaped sapphire and diamond ring The cushion-shaped sapphire, weighing 8.13 carats, between fancy-cut diamond shoulders, mounted in platinum, diamonds approximately 1.60 carats total, ring size 5¾..Estimate: HK$1,200,000 - 1,800,000, $150,000 - 230,000. Unsold Accompanied by a certificate from the AGTA Gemological Testing Centre, stating that the sapphire is natural, of Kashmir origin and has no indication of heating. Report number 92005210, dated 9th February 2007. Accompanied by a certificate from the... [Lire la suite]
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