Lot 37. Gold and 12.89 and 11.47 carats Colombian Emerald Ring. Estimation 150,000 — 200,000 USD. Photo: Sotheby's.

Set with two emerald-cut emeralds weighing 12.89 and 11.47 carats, gross weight approximately 17 dwts, size 5¾.

Accompanied by Gübelin report no. 14105004/ 1 and 2 stating that the 11.47 carat emerald is of Colombian origin, with indications of minor clarity enhancement and that the 12.89 carat emerald is of Colombian origin, with indications of moderate clarity enhancement.