A rare pair of  natural pearl, coloured diamond and diamond ear pendants, by Harry Winston. Photo Christie's Image Ltd 2014

Each suspending a greyish brown natural pearl drop measuring approximately 11.3 - 11.9 x 18.2 and 12.0 x 16.9 mm, joined to the marquise and single-cut diamond cap and a line of brilliant-cut diamonds, surmounted by a marquise-cut fancy vivid yellow diamond weighing approximately 3.26 and 3.23 carats, mounted in platinum and 18k yellow gold,5.7 cm long. With maker's mark for Harry Winston. Estimate 

Accompanied by report no. 65748 dated 8 November 2012 from the SSEF Swiss Gemmological Institute stating that the analysed properties confirm the authenticity of these two saltwater natural pearls, with no indications of artificial colour modification

Two reports nos. 5151572509 and 2155572574 dated 6 August 2013 from the Gemological Institute of America stating that the 3.26 and 3.23 carat diamonds are fancy vivid yellow, natural colour, VVS2 and SI1 clarity respectively

Also accompanied by two reports nos. 65750 and 65749 dated 12 November 2012 from the SSEF Swiss Gemmological Institute stating that the 3.26 and 3.22 carats diamonds are fancy yellow colour, VVS2 and VS2 clarity respectively

 Christie's. HONG KONG MAGNIFICENT JEWELS, 27 May 2014, Convention Hall. http://www.christies.com/