18ct white gold and diamond necklace, Graff, composed of a line of bombe elliptical plaques pave-set with brilliant-cut diamonds between collet-set diamond connectors, the 550 diamonds together stated to weigh 8.65 carats, completed by a concealed box clasp, length approximately 375 mm, numbered, signed Graff., accompanied by a facsimile Graff certificate of quality.