An early 19th century carnelian and gold cased pendant on a split ring

An early 19th century carnelian and gold cased pendant on a split ring, the ornately engraved split ring suspending two carnelian heart-shaped pendants and a rotating carved carnelian pendant, together with a watch key, an ornately engraved gold cased pear-shaped pendant with a glazed compartment containing plaited hair, together with a mid 19th century swivel seal set with three rectangular hardstone plaques, a bloodstone and gold-cased 'hourglass' pendant, and an unmounted oval mixed-cut citrine, centrally intaglio engraved with a heraldic crest