A citrine, emerald, pearl and diamond pendant, France, late 19th century, designed as an oval

A citrine, emerald, pearl and diamond pendant, France, late 19th century, designed as an oval citrine within a border of rose-cut diamonds and outer edge of pearls, accented to the top and base with calibré-cut emeralds, to a bail set with rose-cut diamonds and a pearl, to a later gold snake link chain necklace, chain length 42.5cm, pendant length 5.2cm, pendant with French assay mark for 18ct gold, pearls untested