A sapphire and diamond ring, by Meister. Photo Christie's Image Ltd 2014.

Set with a cushion-shaped sapphire, weighing approximately 14.85 carats, to the brilliant-cut and marquise-shaped diamond surround, mounted in gold, ring size 7. Signed EM for Meister. Estimate CHF25,000 – CHF35,000 ($28,552 - $39,973)

Accompanied by report no. 55747 dated 13 April 2010 from the SSEF Swiss Gemmological Institute stating that the sapphire is of Ceylon origin, with no indications of heating

Christie's. GENEVA MAGNIFICENT JEWELS, 14 May 2014, Geneva - http://www.christies.com/