Bulgari, Diamond, Ring, Sapphire, Sapphire and Diamond Ring, Sapphire and Diamond Rings, Sapphire Ring Sapphire and Diamond Ring, Bulgari, 1960s January 24, 2019 sensualsapphires Set to the centre with an oval sapphire, the mount set with demi-lune and brilliant-cut diamonds, size 531/2, signed Bulgari.