Emerald and diamond ring, Suzanne Belperron, 1942. Photo Sotheby's

Set with a step-cut emerald to a mount half set with circular- and single-cut diamonds accented with step-cut emeralds, size 54, French assay and maker's marks for Groëné & Darde. Estimation 10,000 — 15,000 CHF

Accompanied by a certificate from Olivier Baroin. 

FROM THE COLLECTION OF MME PICHA-EISENSTEIN 

Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - http://www.sothebys.com/