18 Karat Two-Color Gold, Sapphire and Diamond Ring, Buccellati - Sotheby's
Centered by an oval-shaped sapphire weighing 2.81 carats, accented by round diamonds weighing approximately .40 carat, size 5¾, signed M. Buccellati Italy. Estimation: 50,000 - 60,000 USD
Accompanied by AGL report no. CS 30686 stating that the sapphire is of Kashmir origin, with no indications of heating.
Sotheby's. Important Jewels. New York | 07 févr. 2013 http://www.sothebys.com