Are Nouveau brooch/pendant by Georges Fouquet in the late century. Face and hair are made of carved chalcedony, applied with plique-à-jour enamel and highlighted with cabochon and circular-cut rubies, circular-cut and rose diamonds, suspending a pearl.
Pendant detail: Tiffany Co. Art Nouveau necklace with a gold, enamel, and black opal pendant on a peridot and white opal-studded gold chain. Circa Via Diamonds in the Library. tiffany co. jewelry for men
A SUPERB ANTIQUE DIAMOND BROOCH Of naturalistic design, the pavé-set old-cut diamond leaf canopy suspending a graduated fringe of diamond trails with six pear-shaped diamond drops, mounted in silver and gold, brooch circa 1860