A pair of diamond earrings. Photo Christie's Image Ltd 2014

Each set with a shield-shaped diamond, weighing approximately 10.81 and 10.19 carats, to a micro-pavé diamond surround and top, mounted in gold, 3.0 cm. Estimate CHF110,000 – CHF160,000 ($125,333 - $182,303)

Accompanied by report no. 12342394 dated 24 January 2003 from the GIA Gemological Institute of America stating that the 10.81 carat diamond is J colour, VS2 clarity

Report no. 12344065 dated 24 January 2003 from the GIA Gemological Institute of America stating that the 10.19 carat diamond is K colour, SI1 clarity

Please note that the reports are more than five years old and might require an update

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014, Geneva -http://www.christies.com/