A solid opal and diamond set cluster ring, 18ct yellow gold, made as a large oval cluster ring of modern style featuring a central solid oval cabochon opal, measuring 15.7 x 13.4 mm weighing approximately 7.40ct, transparent with gold and green spectral colours throughout claw set, framed by a claw set frame of brilliant cut diamonds, completed on a finer double diamond set row band, merging to reverse.