A group of antique gem-set jewellery, comprising a gold knot brooch, set with a central step-cut emerald within a floral surround, decorated by alternating step-cut emeralds and pearls, to the applied ropetwist detail, with matching emerald-set earclips, circa 1880, later fittings; together with a closed-back emerald-set cluster gold bar brooch; a pendent necklace mounted with alternating pearls and knife-edge spacers, with finelink neckchain, circa 1900; and a brooch, mounted with a central cluster of pearls to the openwork panel of ropetwist and pearl decoration, suspending an articulated pearl-set pendant, circa 1890, each mounted in yellow gold, pearls untested