Natural pearl and diamond ring, early 20th century. Photo Sotheby's.

Centring on a button-shaped light greyish brown natural pearl, measuring approximately 11.06 x 11.17 x 6.81mm, encircled with a petal motif set with circular- and single-cut diamonds, size 57. Estimation 7,500 — 11,000 CHF. Lot. Vendu 10,000 CHF

Accompanied by SSEF report no. 69957, stating that the pearl was found to be natural, saltwater, with no indications of artificial colour modification.

PROPERTY OF A EUROPEAN PRINCELY FAMILY

Sotheby's. Magnificent Jewels. Genève | 13 nov. 2013 - www.sothebys.com