Antique Richter Von Berchem garnet and diamond dress ring

Antique Richter Von Berchem garnet and diamond dress ring in 14kt yellow gold. Centred with a round mixed cut garnet in a raise rubover setting, surrounded by a square plaque set with eight round Old European cut diamonds in tulip settings, granule decoration and subtle millegrain edges, fitted with an openwork gallery and flanked by ribbed shoulders which curve to a solid shank. Signed 'Richter V. Berchem D.W.B. German.