An antique diamond and emerald set plaque brooch/pendant, 14ct rose gold with silver top, presented as a large marquise shape plaque of heavily worked and pierced gold work, claw set throughout with rose and old, cut diamonds of various size, rose cuts set through the smaller sections and old cuts claw set to highlighting frames, completed with a single emerald to centre, swags of grain set diamonds of tapering form to outer, fitted with pin and concealed bail.