A pair of diamond earrings, by Cartier. Photo: Christie's Images Ltd 2014.

Each suspending a pear-shaped diamond, weighing approximately 5.03 and 5.00 carats, to the pear-shaped diamond surmount, weighing approximately 2.18 and 2.02 carats, mounted in platinum and 18k white gold. Signed Cartier, no. 870975. Estimate $600,000 – $800,000

With report 11174142 dated 21 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 5.03 carats, is D color, VVS1 clarity accompanied by a working diagram indicating that the clarity may be potentially internally flawless

With report 11136041 dated 21 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 5.00 carats, is D color, VVS1 clarity accompanied by a working diagram

With report 10889768 dated 25 February 2014 from the Gemological Institute of America stating that the diamond, weighing approximately 2.18 carats, is D color, VVS2 clarity accompanied by a working diagram indicating that the clarity may be potentially internally flawless

With report 10376249 dated 25 February 2014 from the Gemological Insititute of America stating that the diamond, weighing approximately 2.02 carats, is D color, Internally Flawless clarity 

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