Lot 249. A 26.76 carats diamond pendant necklace. Estimate CHF 1,300,000 - CHF 1,500,000 (USD 1,293,972 - USD 1,493,045). © Christie's Images Ltd 2017

Set with a pear-shaped diamond, weighing approximately 26.76 carats, to the fine cable-link chain, 3.0 cm, mounted in gold 

Accompanied by report no. 5171030537 dated 3 March 2017 from the GIA Gemological Institute of America stating that the diamond is G colour, VS2 clarity.

Christie's. Magnificent Jewels, 17 May 2017, Geneva