A Renaissance Revival gem-set and enamel gold necklace by Giuliano

A Renaissance Revival gem-set and enamel gold necklace by Giuliano, c.1895, the openwork gold scroll necklace with black and white enamel decoration, set with five vari-coloured cushion-shaped zircons, suspending a foliate scroll gold drop pendant with conforming enamel deocarion and set with a diamond, suspending a further old cushion-shaped diamond in a cut-down collet and a pearl, signed to the clasp C&AG, 37cm long