Lot 315. A spectacular 36.55 carats F Internally Flawless diamond pendant. Estimate CHF2,600,000 – CHF3,000,000  ($2,824,736 - $3,259,311). Price realised CHF 2,853,000. © Christie's Image Ltd 2015. 

Set with a brilliant-cut diamond, weighing approximately 36.55 carats, to the fine link chain, mounted in gold, 50.0 cm

Accompanied by report no. 2165840543 dated 23 January 2015 from the GIA Gemological Institute of America stating that the diamond is F colour, Internally Flawless clarity 

Christie's. MAGNIFICENT JEWELS, 13 May 2015, Geneva