centred by the graduated principal diamonds, open cut-down collet set and with four diamond accent stones, the buckle shaped frame close collet set with two rows of graduated cushion cut diamonds, mounted in silver and gold, later brooch fitting Length 3.4cm / 1 3/8''
Width 2.3cm / 7/8'' Weight: 11g
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,
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,