Lot 212. A pair of 11.63 and 10.91 carats Zambian emerald and diamond pendants, by Harry Winston. Estimate CHF200,000 – CHF300,000 ($209,249 - $313,873). Photo Christie's Image Ltd 2016. 

Each set with a pear-shaped emerald, weighing approximately 11.63 and 10.91 carats, above a pear-shaped diamond cluster, 3.5 cm, mounted in platinum and gold. Signed Winston and with maker's mark HW for Harry Winston

Accompanied by report no. 84156 dated 18 February 2016 from the SSEF Swiss Gemmological Institute stating that the origin of the emeralds is Zambia, with minor amount of oil.

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva