18ct gold and diamond 'Parentesi' bangle, Bulgari, circa 1982, the sprung cuff designed as a series of polished graphic motifs, alternating at intervals with connectors pave-set with brilliant-cut diamonds together weighing approximately 3.00 carats, inner diameter approximately 54 mm, adjustable, signed Bulgari. Literature: Amanda Triossi, Between Eternity and History, Bulgari, From 1884 to 2009, 125 Years of Italian Jewels, Skira, Milan, 2009, p. 204 (illustrated, another example)