A group of opal jewellery, a 9ct gold opal triplet pendant, 23 x 13 mm, wt. 1.80g, an 18ct gold single screw back earring set with a 10 mm round cabochon crystal opal, wt. 2.39g, and a pair silver gilt screw back earrings each set with a 10 x 7.8 mm white opal.