Opal and diamond cluster ring, centring an oval shaped white opal, measuring approximately 12.40 x 110 x 3.30 mm, displaying green, blue, orange, yellow and pink play of colour, within a border of old European-cut diamonds, estimated total diamond weight 10 carats, 18ct gold, weight 7.2gm, ring size P. Provenance: Property of a prominent Sydney Jeweller