The pentagonal plaque pierced and decorated with highly stylised floral and foliate motifs, set with single-cut diamonds, ruby, sapphire and emerald cabochons, onyx and green hardstone leaves with scalloped enamel borders, the outer plaque set with onyx cabochons, suspending diamond-set tassels terminating in fluted and polished emerald beads, the fountain surmount with similarly-set diamonds and a central sugarloaf ruby, on a cord set with green paste beads, between old brilliant-cut diamond and engraved foliate spacers, mounted in platinum, diamonds approximately 3.25 carats total, lengths: pendant 10.7cm, cord 65.0cm