Bulgari, 18ct gold, diamond and mother-of-pearl 'Instarsio' pendant necklace, designed as three circular motifs set within each other, applied with mother-of-pearl inlay and alternating with round brilliant-cut diamonds together weighing approximately 1.41 carats, to an adjustable belcher link chain length 612 mm to 911 mm, signed Bulgari and numbered AY18F6, accompanied by a Bulgari receipt and box.