An Edwardian gold, emerald and diamond cluster ring, centring on a pentagonal emerald, set between a pair of old-cut diamond trefoils with additional diamond accents, ring size M 1/2Overall good condition with abrasions commensurate with age and use, emerald weighing approximately 0.40 carats, with large cavity to table, medium to pale green with characteristic inclusions, diamonds bright and lively, estimated I/J, Si/I/included on average, 0.40-0.60 carats in total.