AN OPAL AND DIAMOND CLUSTER PENDANT NECKLACE

in 9ct gold, set with an opal of c.1.42 carats, surrounded by a cluster of round brilliant cut diamonds, articulated to a plain bail, suspended from a trace chain necklace, stamped '375', pendant c.1.8cm, chain c.45.7cm / 18.0in with jump loop at 16.0in, (c.2.5g)