A zircon and diamond ring and an opal and diamond negligée necklace

A zircon and diamond ring and an opal and diamond negligée necklace
The ring vertically-set with two circular-cut blue zircon to a central old brilliant-cut diamond and graduated diamond shoulders, finger size N; the necklace composed of two cabochon opal and old-cut diamond cluster drops on trace-link chain suspensions to cabochon opal surmounts and a trace-link chain necklace, 45.0cm long