A pair of diamond pendants, by Manuel Bouvier. Photo Christie's Image Ltd 2014

Each set with a marquise-shaped diamond, weighing approximately 0.94 and 0.91 carat, suspending a trefoil of pear-shaped diamonds, weighing approximately 1.05 to 1.00 carat, to the micro pavé-set diamond surround and hook, mounted in gold, 3.9 cm. With maker's mark for Manuel Bouvier. Estimate CHF28,000 – CHF36,000 ($31,903 - $41,018)

Accompanied by eight reports dated 2005 from the GIA Gemological Institute of America stating that the diamonds weighing 1.05 to 0.91 carats, are D to G colour, VS1 to SI2 clarity

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

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