A diamond brooch and pearl necklace by Carlo Giuliano, circa 1880, the pierced and scrolled navette shaped brooch with scrolled black and white enamelled decoration and a central row of graduated old mine cut diamonds, approximately 0.36 carats total, stamped with maker's mark on the brooch fitting, 4.7cm wide; together with a multi strand pearl necklace with Carlo Giuliano clasps, the pierced scrolling panels with black and white enamelled decoration, each panel with Giuliano's maker's mark, with five rows of uniform pearls measuring 2.4mm, and a chevron link chain accent, suspending a black and white enamelled locket pendant, with graduated rose cut diamond crescent, unmarked, 3cm long, in a re-fitted gilt tooled red Morocco leather case stamped C. Giuliano