A pair of diamond ear pendants, by Harry Winston. Photo Christie's Image Ltd 2014.

Each top designed as a cluster of marquise and pear-shaped diamonds, suspending a detachable pear-shaped diamond, weighing approximately 19.57 and 19.09 carats, mounted in platinum, 5.5 cm. With maker's mark for Jacques Timey and signed Winston for Harry Winston. Estimate CHF1,100,000 – CHF1,600,000 ($1,251,287 - $1,820,054)

Accompanied by report no. 2155959429 dated 28 February 2014 from the GIA Gemological Institute of America stating that the 19.57 carat diamond is F colour, VS1 clarity, and a Diamond Type Classification letter stating that the diamond is Type IA

Report no. 2155959425 dated 28 February 2014 from the GIA Gemological Institute of America stating that the 19.09 carat diamond is H colour, VS2 clarity, and a Diamond Type Classification letter stating that the diamond is Type IA (3)

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014. Geneva - www.christies.com