Bulgari topaz and amethyst 'B-Zero.1' pendant necklace, terminating in a three row tassel of blue topaz and amethyst beads surmounted by open work annular plaques engraved with a 'Bvlgari' repeating logotype supported from a 'B-Zero.1' motif between trace link connectors further supported from a trace link necklace decorated with blue topaz and amethyst beads between open work annular plaques completed by a lobster clasp, mounted in 18ct white gold, inner circumference 470 mm, adjustable, numbered CxxxxN, Italian workshop registration marks, signed Bulgari, made in Italy.