16 novembre 2010

Platinum and Diamond Ring, Tiffany & Co. © Doyle New York Centering one asscher-cut diamond approximately 3.19 cts., flanked by 8 square-cut diamonds, the basket set with 12 single-cut diamonds, signed Tiffany & Co., circa 1920, approximately 2.2 dwt. Size 4 1/2. Estimate $30,000-50,000 With GIA report no. 2125771817 stating that the diamond is F color, VVS2 clarity. Estate of Ann Meserole Wilson Platinum and Diamond Ring, Tiffany & Co. © Doyle New York Centering one emerald-cut diamond approximately... [Lire la suite]
24 septembre 2010

A magnificent Asscher-cut diamond single-stone ring, circa 1940L

A magnificent diamond single-stone ring, circa 1940L. photo courtesy Bonham's The Asscher-cut diamond, weighing 6.82 carats, between stepped baguette-cut diamond shoulders, ring size I, cased by Saqui & Lawrence Ltd. Sold for £322,400Footnote: Accompanied by a GIA certificate stating that the diamond is D colour, VVS2 clarity, potentially flawless. Certificate number 110202035801, dated 14 June 2010. Also accompanied by a GIA certificate stating that the diamond is type IIA. Certificate number 2125219268, dated 10 June... [Lire la suite]
Posté par Alain Truong à 19:19 - - Commentaires [0] - Permalien [#]
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09 septembre 2010

Flawless Six Carat Diamond Never Before Seen at Auction is Highlight of Bonhams September Sale

A magnificent diamond single-stone ring, circa 1940. Estimate: £150,000 - 200,000. photo courtesy Bonhams A magnificent late art deco diamond ring is the highlight of the Bonhams Fine Jewellery sale which will take place in New Bond Street on September 22nd. The Asscher-cut diamond, weighing 6.82 carats, is D colour, potentially flawless and Type IIa. Type IIa diamonds are the most chemically pure type of diamond and possess exceptional optical transparency. Famous gem diamonds that are Type IIa include the Cullinan I... [Lire la suite]
09 juin 2009

A platinum and diamond single-stone ring

A platinum and diamond single-stone ring The Asscher-cut diamond weighing 3.53 carats to the brilliant-cut diamond line shoulders, with London hallmarks for platinum. Estimate £22,000 - £26,000 ($34,826 - $41,158) Accompanied by report No. 2/985015-001 dated 29 January 2008 from the AnchorCert laboratory stating that the diamond is H colour, VVS2 clarity. Christie's. Jewellery. 10 June 2009. London, King Street www.christies.com
Posté par Alain Truong à 23:49 - - Commentaires [0] - Permalien [#]
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02 mai 2009

TIFFANY & CO. A Magnificent Art Deco Diamond Ring, circa 1920

TIFFANY & CO. A Magnificent Art Deco Diamond Ring, circa 1920 Set with an asscher-cut diamond weighing approximately 6.49 carats, to the single-cut diamond shoulders and delicately engraved gallery and hoop, mounted in platinum, size 6 3/4.   Signed 'Tiffany' for Tiffany & Co'=. With a blue leather Tiffany & Co, New York box With report no. 16395643 dated 14 November 2007 from the Gemological Institute of America stating that the diamond is H color, Internally Flawless clarity. Est. CHF 220,000-250,000 ... [Lire la suite]
Posté par Alain Truong à 19:26 - - Commentaires [0] - Permalien [#]
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