Victorian 18ct & Onyx Oval Brooch With A Star Set With Natural Split Pearls

A good quality 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold brooch that was made circa 1880. It has been set with onyxOnyx is an opaque black variety of polycrystalline chalcedony quartz.  with an applied star motif that has been set with graduated naturalA natural stone is called such because it has not been subjected to any treatments.  split pearls. Around the edge is a twisted rope design. On the reverse is a glazed locket. These brooches would have been worn in memory of someone but nowadays they are a great addition to a jacket or dress.