cushion-shaped sapphire

Important sapphire and diamond pendent earrings. Photo courtesy Tiancheng International Auctioneer Limited Each suspending an cushion-shaped sapphire weighing 17.56 and 15.46 carats, within a pavé-set diamond surround, supported by two rectangular motifs set with baguette-cut and brilliant-cut diamonds, spaced by two brilliant-cut diamonds. Mounted in 18 karat white gold. Estimate US$1,100,000 - 1,350,000 Accompanied by Gübelin report numbered 1007518/1 and 1007518/2 dated 12 July 2010, stating that the 17.56... [Lire la suite]

A rare pair of sapphire and diamond ear pendants. Photo Christie's Image Ltd 2013 Each suspending a pendant set with a cushion-shaped sapphire weighing approximately 8.88 and 8.36 carats, within a pear-shaped diamond surround, to the marquise and pear-shaped diamond cluster surmount, mounted in platinum, 7.1 cm long. Estimate:  $1,617,536 – $2,329,252 Diamond cluster signed Winston for Harry Winston Accompanied by two reports nos. 65149 and 66063 dated 1 october 2012 and 7 january 2013 from the SSEF... [Lire la suite]

A rare sapphire and diamond necklace, by Cartier. Photo Christie's Image Ltd 2013 Set at the front with a cushion-shaped sapphire weighing approximately 44.53 carats, joined to the neckchain designed as a fringe of brilliant-cut diamonds suspended from knife-edge surmounts, mounted in 18k white gold, 35.0 cm long, with french assay mark for gold, in red leather Cartier case. Estimate:  $2,329,252 – $3,623,281 Signed Cartier Accompanied by report no. 38015 dated 30 august 2001 from the SSEF Swiss... [Lire la suite]

A Sapphire, Emerald and Diamond Pendent Necklace-Brooch, by Cartier. Photo Christie's Image Ltd 2013 Designed as an openwork brilliant-cut diamond girandole pendant, set to the centre with a cushion-shaped sapphire weighing approximately 45.82 carats, suspending graduated sapphire and emerald drops, to the double-strand emerald bead neckchain with diamond roundel accents, joined at intervals by brilliant-cut diamond stylized links, the clasp further enhanced by a sapphire drop (with brooch fitting), mounted in... [Lire la suite]

A Sapphire and Diamond Ring, By Harry Winston. Photo Christie's Image Ltd 2013 Set with a cushion-shaped sapphire weighing approximately 14.49 carats, flanked by oval-shaped diamonds weighing approximately 1.15 and 1.04 carats, mounted in platinum, ring size 5½. Estimate HK1,300,000 – HK$1,800,000Signed HW for Harry Winston Accompanied by report no. CS 38632 dated 11 October 2006 from the American Gemological Laboratories stating that based on available gemological information, it is the opinion of the... [Lire la suite]

Sapphire and diamond devant de corsage, late 19th century - Sothebys Composed of floral and foliate motifs including lily of the valley, set with cushion-shaped and oval sapphires and rose diamonds, the cross motif later set with cushion-shaped and circular-cut diamonds. Estimation: 15,000 - 25,000 CHF PROPERTY OF A COUNTESS Sotheby's. Magnificent Jewels and Noble Jewels. Genève | 14 mai 2013 www.sothebys.com

Sapphire, ruby and diamond ring, Bulgari - Sotheby's Centring on a cushion-shaped sapphire to a mount enhanced with buff-top rubies and brilliant-cut diamonds, size 54, signed Bulgari. Estimate:  145,000 – 190,000 CHF PROPERTY FROM A ROYAL COLLECTION Sotheby's. Magnificent Jewels and Noble Jewels. Genève | 14 mai 2013 - www.sothebys.com

Rare sapphire and diamond ring - Sotheby's Claw-set with a cushion-shaped sapphire weighing 14.07 carats between trapeze-shaped diamond shoulders, size 51. Estimate:  660,000 – 860,000 CHF Accompanied by Gübelin report no. 11097024 and AGL report no. CS42316-1, each stating that the sapphire is of Kashmir origin, with no indications of heating. The extraordinary 14.07 carat sapphire described in AGL report no. 42316 is one of these rarities from the remote region of Kashmir. In this particular case, the... [Lire la suite]

Important sapphire ring - Sotheby's The cushion-shaped sapphire weighing 11.71 carats, size 58. Estimate:  940,000 – 1,500,000 CHF Accompanied by SSEF report no. 66372 and Gübelin report no. 12100117, each stating that the sapphire is of Kashmir origin, with no indications of heating. NOTE: ‘The natural sapphire described in the Gemstone report 66372 from the Swiss Gemmological Institute SSEF possesses extraordinary characteristics and merits special mention and appreciation. The described gemstone of... [Lire la suite]

 A fine sapphire and diamond ring, by Harry Winston. Photo Christie's Image Ltd 2013 Set with a cushion-shaped sapphire, weighing approximately 7.92 carats, in a brilliant-cut diamond surround, 1958, ring size 4¾, in navy blue leather Harry Winston case. With maker’s mark HW for Harry Winston. Estimate:  $388,394 – $453,127 Accompanied by report no. 12100105 dated 23 October 2012 from the Gübelin GemLab stating that the sapphire is of Kashmir origin, with no indications of heating Report no. 65432 dated... [Lire la suite]