BULGARI. Very attractive approximately 25 ct not heated Ceylon yellow sapphire, ruby and diamond yellow-gold ring, signed Bulgari. Circa 1970. Set with a cushion-shaped yellow/orange color sapphire weighing approximately 25 ct, the exceptional mounting enhanced with calibré-cut rubies and pavé-set with brilliant-cut diamonds. Signed Bulgari. Size: 55. Weight: 22.8 g