Lot 191. Pair of natural pearl and diamond pendent earrings, 1920s. Estimate 147,000 — 195,000 CHF. Photo: Sotheby's.

Each surmount millegrain-set with circular- and single-cut diamonds, supporting a button shaped light brownish grey natural pearl measuring 15.74 x 15.89 x 14.36 and 15.48 x 15.72 x 14.34mm respectively, post and butterfly fittings.

Accompanied by SSEF report no. 87307, stating that the pearls were found to be natural, saltwater, with no indications of artificial colour modification, together with a GIA report and an appendix letter.

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 16 Nov 2016, 10:30 AM