A diamond set herringbone necklace and earrings, the necklace designed as thirteen graduated plaques each set with four brilliant cut diamonds, terminating in a four stone diamond set plaque pendant within three further diamonds, all claw set in white metal upon double box link chain with lobster claw fastening stamped '375', length 39cm, the matched earrings each designed as a nine stone diamond set plaque with trefoil diamond mount, the post fittings not stamped, total weight 25gms (2)