26 avril 2014

Sapphire and diamond necklace, first half of the 19th century

Sapphire and diamond necklace, first half of the 19th century. Photo Sotheby's Composed of a series of alternating links set with cushion-shaped sapphires and cushion-shaped, circular-, single-cut and rose diamonds, the front suspending three detachable pendants featuring a pear- and a trapeze-shaped sapphire, length approximately 480mm, one small diamond deficient. Estimation 90,000 — 140,000 CHF Accompanied by SSEF report no. 72812, stating that the fifteen sapphires are of Ceylon origin, with no indications of heating. ... [Lire la suite]

26 avril 2014

Sapphire and diamond brooch, circa 1915

Sapphire and diamond brooch, circa 1915. Photo Sotheby's Set with a cushion-shaped sapphire within a border of circular-cut diamonds, to a frame of radiating design millegrain-set with similarly cut stones, French assay mark. Estimation 72,000 — 110,000 CHF Accompanied by SSEF report no. 72344, stating that the sapphire is of Ceylon origin, with no indications of heating. Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - www.sothebys.com
26 avril 2014

A sapphire and diamond necklace, by Harry Winston

A sapphire and diamond necklace, by Harry Winston. Photo Christie's Image Ltd 2014. The chevron-shaped brilliant-cut diamond necklace suspending at the front a detachable pendant/brooch centering upon an oval-shaped sapphire, weighing approximately 57.92 carats, within three rows of graduated brilliant-cut diamonds, mounted in platinum, pendant 4.2 cm.With maker's mark for Jacques Timey and signed Winston for Harry Winston. Estimate CHF1,100,000 – CHF1,800,000 ($1,251,287 - $2,047,561) Accompanied by report no. 72711 dated 14... [Lire la suite]
19 avril 2014

An Important Unheated Ceylon Sapphire and Diamond Ring

An Important Unheated Ceylon Sapphire and Diamond Ring. Photo Phillips. Set with a cushion-cut Ceylon sapphire, weighing approximately 13.21 carats, with a pavé-set diamond surround and half hoop, mounted in platinum, size 6 1/2. Estimate $100,000 - 140,000 With report no.CS49646 dated 17 May 2012 from the American Gemological Laboratories, stating that the sapphire is of Sri Lankan (Ceylon) origin, with no indications of heat Phillips. JEWELS NEW YORK 30 APRIL 2014 10AM - http://phillips.com/
Posté par Alain Truong à 22:27 - - Commentaires [0] - Permalien [#]
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19 avril 2014

An exquisite gentleman's sapphire ring

An exquisite gentleman's sapphire ring. Photo Bonhams. The raised cushion-shaped sapphire, weighing 20.53 carats, ring size 10. Estimate HK$ 2 million - 3 million (€190,000 - 280,000) Accompanied by a SSEF report stating that the natural sapphire has no indications of heat treatment and originates from Ceylon (Sri Lanka). Report number 66366, dated 10 January 2013. Accompanied by a Gubelin report stating that the natural sapphire has no indications of heat treatment and originates from Ceylon (Sri Lanka). Report number... [Lire la suite]
16 avril 2014

A yellow sapphire and diamond ring

A yellow sapphire and diamond ring. Photo Bonhams. centering a cushion-cut yellow sapphire, weighing 32.85 carats, within an openwork, pavé-set diamond gallery and mount; signed OSJ for Oliver Smith Jeweler, Scottsdale; estimated total diamond weight: 1.18 carats; mounted in eighteen karat white gold; size 6 3/4. Sold for US$ 16,250 (€11,741) Accompanied by AGL report #CS 51371, dated September 10, 2012, stating the sapphire as: Ceylon (Sri Lanka) origin, no evidence of heat or clarity enhancement. Bonhams. FINE JEWELLERY. New... [Lire la suite]

03 avril 2014

An Art Deco Sapphire and Diamond Necklace, by Tiffany & Co

An Art Deco Sapphire and Diamond Necklace, by Tiffany & Co. Photo Christie's Image Ltd 2014 Suspending a detachable pendant, centering upon an oval-cut sapphire, weighing approximately 29.59 carats, within a circular-cut diamond surround, from a tapered circular-cut diamond and calibré-cut sapphire plaque, to the circular-cut diamond neckchain, mounted in platinum, circa 1920, 14½ ins. Pendant signed Tiffany & Co. Estimate: $120,000 – $180,000With report 13100319 dated 19 November 2013 from the Gübelin Gem Lab... [Lire la suite]
Posté par Alain Truong à 18:48 - - Commentaires [0] - Permalien [#]
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03 avril 2014

A sapphire and diamond bracelet

A sapphire and diamond bracelet. Photo Christie's Image Ltd 2014 Designed as a graduated line of ten cushion-cut sapphires, weighing from approximately 11.56 to 19.57 carats, spaced by marquise-cut diamonds, mounted in platinum, 6¾ ins. Estimate $400,000 – $600,000 With report CS 58906 dated 19 February 2014 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of the sapphires would be classifed as Ceylon (Sri Lanka). Enhancement: Heat With ten reports dated from 11... [Lire la suite]
03 avril 2014

A cushion-cut sapphire and diamond ring

A cushion-cut sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a cushion-cut sapphire, weighing approximately 8.80 carats, to the French-cut diamond half-hoop, mounted in platinum. Estimate $70,000 – $100,000 With report CS 57284 dated 18 October 2013 from the American Gemological Laboratories stating that the origin of this sapphire would be classified as Ceylon (Sri Lanka). Standard Enhacement: Heat Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com
Posté par Alain Truong à 18:30 - - Commentaires [0] - Permalien [#]
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03 avril 2014

A cushion-cut sapphire and diamond ring

A cushion-cut sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a cushion-cut sapphire, weighing approximately 32.60 carats, to the French-cut diamond shoulders, mounted in platinum. Estimate $450,000 – $550,000 With report CS 58481 dated 17 December 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this material would be classified as Ceylon (Sri Lanka). No gemological evidence of heat Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York,... [Lire la suite]
Posté par Alain Truong à 18:22 - - Commentaires [0] - Permalien [#]
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