Natural pearl and diamond ring, Chaumet, circa 1930. Photo Sotheby's

Of toi et moi design, set with two button-shaped natural pearls of cream and brown tint, measuring approximately 10.10 x 7.30 and 10.10 x 8.10mm respectively, between trapeze and baguette diamond shoulders, size 52, French assay and partial maker's mark for Chaumet. Estimation 9,000 — 13,500 CHF

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