An important Art Deco diamond necklace

Designed as a series of twenty-seven circular-cut diamond collets to the bar spacers, the three largest diamonds weighing 9.36, 7.92 and 7.23 carats, each of which is detachable to be worn as the central diamond of a clip brooch, necklace 39.8 cm long, brooches 1.90 cm wide, circa 1925, in red leather Cartier case. Price Realized: £337,250 ($667,418)

Accompanied by report No. 16858172 dated 13 February 2008 from the Gemological Institute of America (GIA) stating that the diamond weighing 9.36 carats is K colour, SI1 clarity

Report No. 16858170 dated 13 February 2008 from the GIA stating that the diamond weighing 7.92 carats is K colour, VS2 clarity

Report No. 16858168 dated 13 February 2008 from the GIA stating that the diamond weighing 7.23 carats is L colour, VS2 clarity (4)

Lot Notes: By family tradition the necklace was bought from Cartier in the 1920s

Christie's London. Jewels - The London Sale. 11 june 2008