11.49 carats Colombian emerald and diamond ring, monture Cartier. Estimate 69,000 — 98,000 CHF (65,094 - 92,453 EUR). Photo Sotheby's.

The hexagonal emerald weighing 11.49 carats, set between baguette diamond shoulders, size 51, signed monture Cartier, numbered, French assay and maker's marks.

Accompanied by SSEF report no. 75780, stating that the emerald is of Colombian origin, with a minor amount of oil in fissures.

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