GG 750, cushion-shaped precious opal with intense, multi-colored opalization set in 4 strong claws, 4 brilliant-cut diamonds set in gold cylinders on the side, top and bottom in arches, another 3 crowning brilliant-cut diamonds in claw settings moveably fastened (total 19 old-cut diamonds, total approx. 2.31 ct., W-GW, vsi-si, 1 x P1), handwork, approx. 4.2 x 1.7 cm, with strong oat grain chain with spring ring clasp, strand L approx. 49 cm, total gross approx. 15, 5 g, expertise is available
