A group of seven brooches, 18th/19th century

A group of seven brooches, 18th/19th century, comprising: a brooch set with a cabochon rock crystal backed with matrix rock, within a foliate cannetille border in gold, measuring 4.2 x 3.8cm; a dendritic agate brooch; a varicoloured gold and amethyst brooch and a carnelian brooch and a moss agate brooch, largest 3.2 x 1.4cm; two diamond brooches, each designed as a safety pin, set with circular-cut diamonds, mounted in silver and gold, lengths 4.3cm and 6.7cm respectively, longer brooch with unidentified assay mark, maker's mark FE; and a topaz and diamond brooch of elaborate ribbon bow design suspending a drop pendant, set with rose-cut diamonds and circular-cut and pear-shaped topaz in closed-back settings, mounted in gold, length 5cm, later brooch fitting