rectangular-cut sapphire

A 27.83 carats Ceylon sapphire and diamond ring. Estimate $300,000 - $500,000. Price Realized $845,000. Photo Christie's Image Ltd 2015 Set with a rectangular-cut sapphire, weighing approximately 27.83 carats, flanked on either side by a triangular-cut diamond, mounted in 18k gold, with French assay mark and maker's mark With report CS 66774 dated 25 March 2015 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire would be classified as Classic... [Lire la suite]

A sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a rectangular-cut sapphire, weighing approximately 20.13 carats, to the modified square-cut diamond shoulders, mounted in 18k gold. Estimate $60,000 – $80,000With report CS 60778 dated 5 May 2014 from the American Gemological Laboratories stating that it the opinion of the Laboratory that the origin of this sapphire would be classified as Ceylon (Sri Lanka). Standard Enhancement: Heat Christie's. IMPORTANT JEWELS,10 June 2014, New York, Rockefeller Plaza... [Lire la suite]

A sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a rectangular-cut sapphire in a brilliant-cut diamond surround, to the baguette-cut diamond shoulders, ring size 9¼. Estimate CHF5,500 – CHF7,200 ($6,311 - $8,261) Accompanied by report no. 71839 dated 10 December 2013 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon origin, with no indications of heating Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014, Geneva -http://www.christies.com/

The Rockefeller Sapphire. Photo Christie's Image Ltd 2001 The rectangular-cut sapphire weighing approximately 62.02 carats, flanked by cut-cornered triangular-cut diamonds, mounted in platinum. Signed Tiffany & Co. Estimate $3,000,000 - $5,000,000. Price Realized $3,031,000    With special report 0101030 from Gubelin stating that the origin of the sapphire is Burma (Myanmar) as well as extensive additional notes discussing the exceptional rarity of the stone. . World auction record per carat for... [Lire la suite]

A Sapphire and diamond ring, by Harry Winston. Photo Christie's Image Ltd 2013 Set with a rectangular-cut sapphire, weighing approximately 10.35 carats, to the trapeze-cut diamond shoulders, mounted in platinum, size 7. With maker’s mark of Jacques Timey for Harry Winston. Estimate:  $111,149 – $155,609 Accompanied by a gemmological report, please refer to the department for further details Christie's. MAGNIFICENT JEWELS. 12 November 2013. Geneva - www.christie's.com

A sapphire and diamond brooch-pendant, by Harry Winston. Photo Christie's Image Ltd 2013 The rectangular-cut sapphire, weighing approximately 9.67 carats, within a cluster of pear and marquise-shaped diamonds, mounted in platinum, 4.2 cm. With maker’s mark of Jacques Timey for Harry Winston. Estimate:  $333,448 – $466,827 Accompanied by a gemmological report, please refer to the department for further details  Christie's. MAGNIFICENT JEWELS. 12 November 2013. Geneva - www.christie's.com

 A sapphire and diamond ring, by Van Cleef & Arpels. Photo: Christie's Images Ltd 2013 Set with a rectangular-cut sapphire, weighing approximately 13.18 carats, flanked on either side by a trillion-cut diamond, mounted in platinum, 1955. Signed Van Cleef & Arpels, N.Y., no. 23550. Estimate:  $350,000 – $500,000 With report CS 56806 dated 30 August 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the sapphire would be classified as... [Lire la suite]

An art deco sapphire and diamond bracelet, by Paul Flato. Photo Christie's Image Ltd 2012 Designed as an openwork rectangular-cut sapphire and diamond bricklink band, mounted in platinum, circa 1935, 7 ins. Signed Flato for Paul Flato. Estimate $120,000 - $180,000. Price Realized $338,500  Notes: Famed American jeweler Paul Flato moved from his native Texas to New York in the 1920s. He began selling wristwatches and by the 1930s had opened two jewelry shops, one in Los Angeles, and the other... [Lire la suite]

An impressive sapphire and diamond ring. Photo Christie's Image Ltd 2012 Set with a rectangular-cut sapphire, weighing approximately 45.81 carats, the shoulders set with pear-shaped diamond clusters, mounted in platinum. Estimate $100,000 - $150,000. Price Realized $482,500  With report CS 38915 dated 8 May 2007 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the sapphire would be classified as Ceylon (Sri Lanka). No gemological evidence... [Lire la suite]

Van Cleef & Arpels Sapphire & Diamond ring. Photo: Bonhams. HONG KONG.- An exquisite sapphire and diamond ring by Van Cleef & Arpels featuring a rectangular-cut sapphire weighing 43.16 carats set a new world record, selling for HK$12,084,000 on 23rd November at the sale of ‘Eight Exceptional Jewels from a Private Collection’ at Bonhams in Hong Kong.  Bidders competed fiercely for the striking ring, which at HK$280,000 (US$36,000) per carat, went well over its pre-sale estimate of HK$4,260,000 – 5,050,000 and broke... [Lire la suite]