Bulgari, B zero 1 ring c. 2014, featuring a black ceramic spiral encased between two 18ct rose gold bands, each engraved 'Bvlgari Bvlgari', stamped '60 Au 750 made in Italy' with Italian Hallmarks 'Star 2337 Al' with serial number 'C25CAA', 11 grams, size S, labels: with Bulgari box