18ct white gold, emerald and diamond pendant necklace, circa 1980 Terminating in a pendant drop centring a claw-set octagonal-cut emerald framed by an open work border, of similarly set brilliant-cut diamonds, suspended from an articulated necklace, of brilliant-cut diamonds alternating with polished gold bars, the emerald and diamonds together weighing approximately 2.23 and 4.50 carats respectively, pendant length approximately 30 mm, necklace inner circumference approximately 425 mm, pendant with maker's mark, removable.