A crystal opal and diamond set pendant. 18ct white gold, made as an elegant drop pendant featuring a vertical cabochon bar of solid crystal opal likely from the Cooper Pedy Mines, intense spectral colours throughout of blue, green and orange with rolling flashes, measuring 19.5 x 9 mm, claw set in an open backed frame, framed by a scalloped frame of baguette and brilliant cut diamonds and smaller panels of tiny pave set diamonds. Length 2.6 cm