Lot 493. Formerly From the Collection of Brooke Astor. 18 Karat Gold, Platinum, 21.00 carats Colombian Emerald and 58.00 carats Diamond Bracelet, 1965, Van Cleef & Arpels. Estimate 100,000 — 150,000 USD. Lot sold 466,000 USD. Photo Sotheby's

The bracelet of bombé form, set with 11 cushion-cut emeralds weighing approximately 21.00 carats, accented by round emeralds weighing approximately 36.75 carats, completed by round diamonds weighing approximately 58.00 carats, gross weight approximately 104 dwts, internal circumference 7½ inches, signed Van Cleef & Arpels, numbered NY 35563 and NY 59909, with French maker's mark; 1965. 

Formerly From the Collection of Brooke Astor.

Accompanied by three AGL reports:

No. CS 68242 stating that the 2.78 carat emerald is of Colombian origin, clarity enhancement: minor, type: mixed-type.

No. CS 68243 stating that the 2.55 carat emerald is of Colombian origin, clarity enhancement: insignificant, type: traditional.

No. CS 68244 stating that the 2.03 carat emerald is of Colombian origin, clarity enhancement: insignificant, type: traditional. 

Sotheby's. Magnificent Jewels New York | 09 Dec 2015.