Lo 360. Pair of natural pearl and diamond rings, André Vassort. Estimate £6,000 — 8,000. Lot sold 100,000 £. Photo Sotheby's.

Set with a natural black pearl measuring approximately 12.91-13.14 x 12.45mm and a natural pink pearl measuring approximately 12.77-12.90 x 13.21mm respectively,  to pavé-set diamond mounts, each size J, sizing band, each with French assay mark and maker's mark for Vassort.  

Accompanied by gemmological reports.