18ct gold, hematite and diamond 'Saetta' necklace, Bulgari, circa 1990, modelled as an articulated line of hematite and gold stylised thunderbolt motifs decorated to the front with pave-set brilliant-cut diamonds together weighing approximately 5.00 carats, gross weight approximately 193.09 grams, inner circumference approximately 360 mm, signed Bulgari, Italian registration and maker's marks. Literature. Daniela Mascetti and Amanda Triossi, Bulgari, Leonardo, Milan, 1996, p. 149 (illustrated, another example)