An Art Nouveau pearl and diamond-set gold brooch pendant

An Art Nouveau pearl and diamond-set gold brooch pendant, the foliate scroll pendant with anenome flowers with polychrome enamel decoration, suspending an old circular-cut diamond and an untested pearl, the detachable gold neck chain with two enamelled flowerhead links, French control mark, maker's mark (obscured), detachable brooch fitting, pendant 6cm high, chain 43cm