Sapphire and diamond ring, Cartier. Photo Sotheby's.

The oval sapphire weighing 8.11 carats, set between triangular diamond shoulders, size 54, sizing band, partially signed Cartier, numbered, maker's mark, case stamped Cartier. Estimation 25,000 — 35,000 CHF

Accompanied by SSEF report no. 72339, stating that the sapphire is of Ceylon origin, with no indications of heating.

Additionally accompanied by Cartier certificate of authenticity no. 1537969.

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