A Sapphire and diamond ring, by Harry Winston. Photo Christie's Image Ltd 2013

Set with a rectangular-cut sapphire, weighing approximately 10.35 carats, to the trapeze-cut diamond shoulders, mounted in platinum, size 7. With maker’s mark of Jacques Timey for Harry Winston. Estimate:  $111,149 – $155,609

Accompanied by a gemmological report, please refer to the department for further details

Christie's. MAGNIFICENT JEWELS. 12 November 2013. Geneva - www.christie's.com