16 mai 2016

A sapphire and diamond bracelet, by Bvlgari

Lot 228. A sapphire and diamond bracelet, by Bvlgari. Estimate CHF90,000 – CHF130,000 ($92,704 - $133,906). Photo Christie's Image Ltd 2016. Set with eleven graduated oval-cut sapphires, within a baguette and rectangular-cut diamond geometric surround, 17.0 cm, mounted in platinum and gold, in blue leather Bulgari case. Signed Bvlgari Accompanied by report no. 85411 dated 6 April 2016 from the SSEF Swiss Gemmological Institute stating that the origin of 10 sapphires is Ceylon (Sri Lanka) and 1 sapphire is... [Lire la suite]

20 juin 2014

Pink Sapphire, Pink Spinel and Ceylon Ruby Rings from Jacob & Co

Three Stone Pink Sapphire Ring. Jacob & Co. An Elegant Three Stone Ring, Featuring: GRS Certified 9.05 Ct Cushion Cut Madagascar no heat Pink Sapphire, Flanked by 0.73 Ct Half Moon Diamonds (2 Side Stones) Set in 18K Yellow Gold. Spinel Cocktail Ring. Jacob & Co. Spinel Cocktail Ring, Featuring: GRS Certified 16.72 Ct Natural Pink Spinel (Center Stone) Surrounded By 12.72 Ct. Rose Cut Diamonds, Mounted In Platinum. Cocktail Ring. Jacob & Co. This Extraordinary Cocktail Ring, Composed 26.62 Ct. Ceylon Ruby ( Not... [Lire la suite]
Posté par Alain Truong à 14:48 - - Commentaires [0] - Permalien [#]
Tags : , , , ,
31 mai 2014

A color-change sapphire and diamond ring

A color-change sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a cushion-cut color-change sapphire, weighing approximately 7.63 carats, within an oval-cut diamond surround, trimmed with single-cut diamonds, to the single-cut diamond gallery and half-hoop, mounted in purple titanium. Estimate $40,000 – $60,000 With report CS 60797 dated 1 May 2014 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this color-change sapphire would be classified as... [Lire la suite]
16 avril 2014

An art deco sapphire and diamond ring, circa 1925

An art deco sapphire and diamond ring, circa 1925. Photo Bonhams. centering a cushion-cut sapphire, weighing 3.09 carats, within a pierced and openwork circular-cut diamond mount; mounted in platinum; size 6;the sapphire is not original to the Art Deco mounting. Sold for US$ 11,875 (€8,603)Accompanied by AGL report #CS 55555, dated July 16, 2013, stating the sapphire as: Madagascar origin, no indications of heat or clarity enhancement.Bonhams. FINE JEWELLERY. New York, 9 Apr 2014 - www.bonhams.com
03 avril 2014

An oval-cut sapphire and diamond ring

An oval-cut sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a cushion-cut purple sapphire, weighing approximately 10.16 carats, flanked on either side by a tapered baguette-cut diamond, mounted in platinum. Estimate $60,000 – $80,000 With report CS 59786 dated 10 March 2014 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this material would be classified as Madagascar. No gemological evidence of heat Christie's. MAGNIFICENT JEWELS, 16 April 2014,... [Lire la suite]
Posté par Alain Truong à 18:32 - - Commentaires [0] - Permalien [#]
Tags : , ,
21 septembre 2013

Platinum, sapphire and diamond ring, Tiffany & Co.

Platinum, sapphire and diamond ring, Tiffany & Co. Photo: Sotheby's. Set with a cushion-cut sapphire weighing 18.99 carats, within a floral mounting decorated with round diamonds weighing .57 carat, size 7½, signed Tiffany & Co., numbered 21455766. Estimation 100,000 — 150,000 USD  Accompanied by AGL report no. CS 56099 stating that the sapphire is of Madagascar origin, with indications of heating. Sotheby's. Important Jewels? New York | 24 sept. 2013.  http://www.sothebys.com
19 avril 2013

Sapphire, Diamond, Platinum Ring, Monture Harry Winston

Sapphire, Diamond, Platinum Ring, Monture Harry Winston. Photo Heritage Auctions The ring centers a cushion-shaped sapphire measuring 12.86 x 12.54 x 10.65 mm and weighing 16.11 carats, enhanced by marquise-shaped diamonds weighing a total of 0.83 carat, accented by pear-shaped diamonds weighing a total of 2.44 carats, set in platinum, marked 'Monture Harry Winston'. A GIA Laboratory report # 5151209638, dated January 31, 2013 stating Natural Corundum, Indications of Heating, Madagascar Origin, accompanies the... [Lire la suite]
Posté par Alain Truong à 23:41 - - Commentaires [0] - Permalien [#]
Tags : ,
02 décembre 2012

Platinum, Emerald, Sapphire and Diamond Ring

Platinum, Emerald, Sapphire and Diamond Ring - Photo Sotheby's Centered by a rectangular step-cut emerald weighing 7.09 carats, flanked by two rectangular step-cut sapphires weighing 2.01 and 1.91 carats, further accented by two baguette diamonds weighing approximately .90 carat, size 6. Estimation: 250,000 - 350,000 USD Accompanied by four gemological reports:AGL report no. CS 50077 stating the emerald is of Classic Colombian origin, clarity enhancement: none.Gübelin report no. 12055282 stating the emerald is of... [Lire la suite]
08 mai 2012

Attractve sapphire and diamond suit

Attractve sapphire and diamond suite. Photo Sotheby's Comprising: a necklace composed of flower head clusters set with oval sapphires and brilliant-cut diamonds, alternating with marquise-shaped stones, suspending at the front a detachable pendant similarly set, length approximately 395mm; a pair of pendent ear clips; and a ring, size 52, all with French assay and maker's marks. Lot 724. Estimate 700,000-1,200,000 CHF The ring is accompanied by Gübelin report no. 12020079, stating that the sapphire is of... [Lire la suite]
Posté par Alain Truong à 19:15 - - Commentaires [0] - Permalien [#]
Tags : , ,