An emerald and diamond pendant and two earrings

An emerald and diamond pendant and two earrings
The pendant collet-set with a step-cut emerald within a brilliant-cut diamond surround, to a trace-link chain, together with two unmatched similarly-set emerald and diamond cluster earstuds, pendant 2.4cm long, one earring 1.8cm long, the other 1.5cm long (3)