18ct white gold, opal and diamond pendant necklace, of cluster design, centring a claw-set oval opal cabochon framed by a border of pave-set brilliant-cut diamonds to a similarly set bale, completed by a fine trace link chain, the opal and diamonds together weighing approximately 4.40 carats and 0.26 carat respectively, pendant length approximately 25 mm, chain circumference approximately 400 mm.