06 octobre 2017

Important Jewelry at Doyle New York, Oct 18, 2017

Lot 519. Platinum, 14.75 cts Colombian Emerald and Diamond Clip-Brooch, Cartier, Paris. Estimate: $150,000 - $250,000. © Doyle  Of stylized heart-shaped motif, centering one emerald-cut emerald approximately 14.75 cts., surrounded by 12 square-cut diamonds, flanked by pairs of scrolled bombé ribbons of 150 round and 48 single-cut diamonds, altogether approximately 20.75 cts., signed Cartier, Paris, no. 010323, with maker's mark and French assay marks, circa 1935, approximately 27.2... [Lire la suite]

31 août 2017

Sapphire and diamond ring

Lot296. Step-cut sapphire weighing 30.93 carats and diamond ring. Estimate £40,000–60,000. Photo: Sotheby's. Claw-set with a step-cut sapphire weighing 30.93 carats, the mount accented with single-cut diamonds, size G, indistinctly numbered, French assay mark, three diamonds deficient. Accompanied by a gemmological report. Sotheby's. Fine Jewels, London, 20 Sep 2017, 10:00 AM
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17 avril 2017

18 Karat Gold, Silver, 26.05 carats Sapphire and Diamond Ring

Lot 218. 18 Karat Gold, Silver, 26.05 carats Sapphire and Diamond Ring. Estimate 50,000 — 70,000 USD. Photo: Sotheby's. Centering an oval-shaped sapphire weighing approximately 26.05 carats, framed by old European and old mine-cut diamonds weighing approximately 3.00 carats, size 8. ccompanied by AGL report  no. CS 1076216 stating that the sapphire has indications of heating. Sotheby's. Magnificent Jewels Including the Legendary Stotesbury Emerald, New York, 25 Apr 2017, 10:00 AM
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18 décembre 2016

Lot 473. 18 Karat White Gold, Carved Sapphire and Diamond Ring, Michele della Valle. Estimate 5,000 — 7,000. Lot sold 10,625 USD. Photo Sotheby's Of foliate design, set with a carved sapphire with a floral motif on the reverse, accented by pavé-set diamonds, size 6¼, signed MdV, numbered 11510.  Sotheby's. Fine Jewels, New York, 09 Dec 2016
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02 décembre 2016

Important platinum, 10.40 carats Kashmir sapphire and diamond ring, Cartier

Lot 338. Important platinum, 10.40 carats sapphire and diamond ring, Cartier. Estimate $500,000–700,000. Photo Sotheby's Centering a sugarloaf cabochon sapphire weighing 10.40 carats, flanked by triangle-shaped diamonds weighing approximately 1.95 carats, size 6¾, signed Cartier, numbered R2603, with workshop mark.. Accompanied by AGL report no. CS 1075990 stating that the sapphire is of Kashmir origin, with no indications of heating. Accompanied by Gübelin report no. 16075090 stating that the sapphire... [Lire la suite]
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07 septembre 2016

Sotheby’s Hong Kong Magnificent Jewels and Jadeite Autumn Sale To Take Place on 4 October

  HONG KONG.- Sotheby’s Hong Kong Magnificent Jewels and Jadeite Autumn Sale 2016 will take place on 4 October at Hong Kong Convention and Exhibition Centre. The sale will bring to the market an extraordinary selection of signed vintage jewellery and iconic designs by renowned brands including Harry Winston, Bulgari, Cartier and Van Cleef & Arpels, highlighted by the cover lot of the auction -- an Important Emerald and Diamond Demi-Parure by Bulgari. These are complemented by a selection of diamonds, superb natural... [Lire la suite]

05 août 2016

Fine sapphire and diamond ring, Louis Gérard

Lot 403. Fine 24.56 carats Ceylon sapphire and diamond ring, Louis Gérard. Estimate 95,000 — 140,000 CHF. Lot sold 278,500 CHF. Photo: Sotheby's 2012 Set with an oval sapphire weighing 24.56 carats, between shield-shaped diamond shoulders, size 49, sizing band, unsigned, French import and maker's marks. Accompanied by SSEF report no. 65310, stating that the sapphire is of Ceylon origin, with no indications of heating. Sotheby's. Magnificent Jewels, Geneva, 14 Nov 2012 
03 août 2016

Fine sapphire and diamond ring

Lot 505. Fine 14.80 carats Kashmir sapphire and diamond ring. Estimate 275,000 — 450,000 CHF. Lot sold 554,500 CHF. Photo: Sotheby's 2012 Claw-set with a step-cut sapphire weighing 14.80 carats, between baguette diamonds, mounted in platinum,size 53, ring sizer Accompanied by Gübelin report no. 11040215 and SSEF report no. 60639, each stating that the sapphire is of Kashmir origin, with no indications of heating. Sotheby's. Magnificent Jewels, Geneva, 14 Nov 2012 
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02 août 2016

Sapphire and diamond ring, Bulgari

Lot 237. 14.11 carats Kashmir sapphire and diamond ring, Bulgari. Estimate 140,000 — 190,000 CHF. Lot sold 722,500 CHF. Photo: Sotheby's 2012 The sugar loaf cabochon sapphire weighing 14.11 carats, set between baguette diamond shoulders, size 50, signed Bulgari. Accompanied by SSEF report no. 65369, stating that the sapphire is of Kashmir origin, with no indications of heating.  Sotheby's. Magnificent Jewels, Geneva, 14 Nov 2012
02 août 2016

Fine sapphire and diamond ring, Koenig Design

Lot 530. Fine 14.19 carats Kashmir sapphire and diamond ring, Koenig Design. Estimate 300,000 — 500,000 CHF. Lot sold 914,500 CHF. Photo: Sotheby's 2012 Set at the centre with a sugarloaf cabochon sapphire weighing 14.19 carats, to an open work mount pavé-set throughout with brilliant-cut diamonds, size 53, signed Koenig, fitted case. Accompanied by SSEF report no. 64324 and Gübelin report no. 12090118, each stating that the sapphire is of Kashmir origin, with no indications of heating. ... [Lire la suite]