An Art Deco Diamond Bracelet, by Cartier. Photo: Christie's Images Ltd 2014.

Centering upon a graduated line of seven marquise-cut diamonds, weighing approximately 3.43, 3.01, 2.83, 2.09, 1.76, 1.52, and 1.50 carats, spaced by bezel-set baguette-cut diamonds, to the bezel-set baguette and old European-cut diamond band, mounted in platinum, circa 1930, 7 ins. Signed Cartier, no. 8440. Estimate: $300,000 – $500,000

With report 2155971005 dated 4 March 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 3.43 carats, is E color, VS1 clarity

With report 2155971019 dated 17 March 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 3.01 carats, is E color, VVS1 clarity; accompanied by a working diagram indicating that the clarity of the diamond may be potentially internally flawless

With report 7082776 dated 14 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 2.83 carats, is D color, Internally Flawless clarity

With report 7082927 dated 25 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 2.09 carats, is E color, VS1 clarity

With report 7082928 dated 25 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 1.76 carats, is E color, Internally Flawless clarity

With report 7082929 dated 11 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 1.52 carats, is E color, SI1 clarity

With report 7082930 dated 11 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 1.50 carats, is G color, SI1 clarity

Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com