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Lot 186. A Ceylon pink cushion-shaped sapphire weighing approximately 49.04 carats and diamond ring. Estimate CHF220,000 – CHF260,000 ($250,919 - $296,541)Price realised CHF 1,805,000. © Christie's Image Ltd 2014

Set with a pink cushion-shaped sapphire, weighing approximately 49.04 carats, to the diamond-set buckle shoulders, mounted in silver, ring size 7¼. 

Accompanied by report no. 73644 dated 20 March 2014 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon origin, with no indications of heating, and an Appendix letter stating that this sapphire '...shows a very impressive size and weight of 49.041 ct, combined with a vivid colour, an excellent purity, and an attractive cutting style.'

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014, Geneva