An antique enamel and gem pendant brooch,

细节
An antique enamel and gem pendant brooch,
the plain gold bar suspending an oval blue enamel locket brooch with quatrefoil rose diamond and five-stone half-pearl motif (one half-pearl deficient), to a smaller circular domed blue enamel pendant, with half-pearl decoration, reverse hair compartment and tapered two-stone half-pearl drop.