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]
15 juin 2009

A Belle Epoque emerald and diamond ring, by Cartier

A Belle Epoque emerald and diamond ring, by Cartier The square-cut emerald within an old-cut diamond surround to the calibré-cut emerald frame, diamond border and two-stone corners, circa 1915, in Cartier red leather case. Signed Cartier, No. Pt 97091. Est. £7,000 - £9,000 - Price Realized £16,250 Christie's. Jewellery. 10 June 2009. London, King Street www.christies.com
Posté par Alain Truong à 23:28 - - Commentaires [0] - Permalien [#]
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