A pair of Diamond Earrings, by Harry Winston. Photo Christie's Image Ltd 2012

The two heart-shaped diamonds, weighing approximately 7.69 and 6.06 carats, each with a brilliant-cut diamond surmount and top, mounted in platinum and gold, 2.6 cm. With maker's mark of Jacques Timey for Harry Winston. Estimate CHF240,000 - CHF360,000

Accompanied by report no. 2145952144 dated 23 August 2012 from the GIA Gemological Institute of America stating that the 7.69 carat diamond is F colour, VVS1 clarity

Report no. 5141952139 dated 19 September 2012 from the GIA Gemological Institute of America stating that the 6.06 carat diamond is E colour, VVS2 clarity

Christie's. Geneva Magnificent Jewels, 13 November 2012, Geneva