This is a pretty English antique openwork pendant of circular form set with a facet paste stone and a simulated pearl drop. The pendant is suspended from a later fine 375 (9k) gold chain.
This pendant measures around 5 cm (2 inches) in drop including the bail. The chain measures about 46 cm (20.5 inches) in length. The pendant is stamped 9ct and the chain 375 on the clasp.