Sapphire and diamond ring

  Lot 256. Pair of Diamond Pendent Earrings, Tops by Harry Winston. Estimate 5,500,000 - 6,500,000 HKD. © 2021 Sotheby's Each set with a pear-shaped diamond weighing 6.71 and 6.41 carats respectively, suspended from the marquise- and pear-shaped diamond cluster top, mounted in platinum, post and hinged back fittings, tops signed Winston, pendants detachable. Accompanied by two GIA reports no. 5202632863 and 2165012505, both dated 13 January 2020, stating that the 6.71 and 6.41 carat... [Lire la suite]

Lot 257. Harry Winston. Diamond Ring. Estimate 7,000,000 - 9,000,000 HKD. © 2021 Sotheby's Set with an emerald-cut diamond weighing 10.35 carats, flanked by two tapered baguette diamonds, mounted in platinum, size 6, maker's mark for Harry Winston. Accompanied by GIA report no. 5211904750, dated 10 September 2021, stating that the diamond is D Colour, Internally Flawless, Excellent Polish and Symmetry; further accompanied by a diamond type classification letter stating that... [Lire la suite]

Lot 640. An important 16.56 carats Burma Royal Blue Sapphire and Diamond ring. Estimate HK$ 3,200,000 - 4,500,000 (€ 350,000 - 490,000). Photo: Bonhams. Set with an oval-cut sapphire, weighing 16.56 carats, between half moon-shaped diamond shoulders, accented by brilliant-cut diamonds on the half hoop; estimated total diamond weight 2.30 carats total; mounted in platinum; size 6½. Accompanied by a report from SSEF stating that the natural sapphire has no indications of heat treatment and originates... [Lire la suite]

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]

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

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

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

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]

  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]

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