A LATE 19TH CENTURY GOLD, ONYX, HALF-PEARL AND DIAMOND BROOCH

A LATE 19TH CENTURY GOLD, ONYX, HALF-PEARL AND DIAMOND BROOCH
The central oval onyx with applied rose-cut diamond and half-pearl cluster, to a ropework design frame with applied scroll accents to the cardinal points, suspending a central amphora design drop between twin bead and bar drops, circa 1870