Lot 404. Pair of natural pearl, cultured pearl and diamond ear clips and a ring, Suzanne Belperron, 1960s. Estimate 30,000 – 50,000 CHF. Lot sold 56,250 CHF. Photo: Sotheby's 2013

The ear clips set with natural and cultured pearls of white and black tint, circular- and single-cut diamonds; the ring similarly set, size 53^1/2. 

Accompanied by SSEF report no. 67541, stating that two of the pearls tested were found to be natural, saltwater, with no indications of artificial colour modification, and a certificate from Olivier Baroin.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 14 mai 2013