Property of a European noble family. 40.04 carats Ceylon sapphire and diamond ring. Estimate 123,000 — 170,000 CHF (116,038 - 160,378 EUR). Photo  Sotheby's.

The step-cut sapphire weighing 40.04 carats, set between baguette diamond shoulders, size 50.

Accompanied by SSEF report no. 78207, stating that the sapphire is of Ceylon origin, with no indications of heating.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM