A gold opal and diamond pendant necklace, bezel set in 18ct gold with a drop shape cabochon solid crystal opal with mostly violet to green colour, size 18 x 7 mm surmounted by a round brilliant cut diamond of approx. 0.40ct VS1, length 31 mm, on a 9ct anchor link chain to bolt ring clasp, length 45 cm, wt. 4.7g.