Cartier 1976 Unheated Blue Sapphire and Diamond Ring, 18K Yellow Gold
A deep blue oval-shaped sapphire (6.50 x 5.18 x 3.35MM) accented by twelve round diamonds mounted in 18K Yellow Gold. Available: 2018 GIA Report stating the stone does not have any indications of heating, original paperwork from Cartier, London from September 21, 1976, and Cartier ring box. Ring Size US 6.25. Signed Cartier.