A Belle Epoque gem set pendant necklace. Mounted with two pearls

A Belle Epoque gem set pendant necklace. Mounted with two pearls, and a lozenge set with calibre cut sapphires amongst diamond and demantoid garnet foliage. Diamond scrolls and the neck chain is set with diamonds and demantoid garnets. Set in platinum and gold. With pearl report 1844 stating that both pearls are saltwater and natural.