A 19th Century Emerald, Natural Pearl and Diamond Pendant-Brooch. Photo Christie's Image Ltd 2014

Centering upon a lozenge-cut emerald in an openwork diamond-set surround, suspending a detachable drop-shaped natural pearl pendant, measuring approximately 11.3-11.8 x 13.5 mm, mounted in silver and gold, late 19th Century, 7.5 cm – Estimate: CHF180,000 – CHF220,000 ($204,065 – $249,413).

Accompanied by report no. 72936 dated 27 February 2014 from the SSEF Swiss Gemmological Institute stating that the emerald is of Colombia origin, with no indications of clarity modification, and that the pearl is a natural saltwater pearl 

 Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014. Geneva - www.christies.com