19th century emerald and diamond openwork scroll knot brooch, French c.1880, the central upright figure-of-eight set with cushion cut diamonds, entwined by a looping line of rectangular cut emeralds, open set in gold, French gold assaymark and partial workship mark to pin, pendant hooks to verso, approximately 3.45cts diamonds in all, approximately 6.00cts of emeralds
19th century nine stone vari-colour gem brooch, c.1830, of oval form, central sapphire to a surround including sapphire, ruby, catseye, hessonite garnet, aquamarine and amethyst,
19th century emerald and diamond openwork scroll knot brooch, French c.1880, the central upright figure-of-eight set with cushion cut diamonds, entwined by a looping line of rectangular cut emeralds, open set in gold, French gold assaymark and partial workship mark to pin, pendant hooks to verso, approximately 3.45cts diamonds in all, approximately 6.00cts of emeralds