1830S-1850S CAMEO TIARA This crown-shaped tiara bears five oval cameos with portraits of women. Decorated with bunches of grapes, flowers and the head of a belier. The three cameos in the centre are in three-layer sardonyx, the other two in two-layer sardonyx. The cameos are set in 18K yellow gold. The adjustable headband is set in vermeil. Each cameo is removable, the central one could be worn as a pendant. Gross weight: 174.73 g (difference in the mounting for the central cameo, attached clasp, tiny chips and hair). Height of the medallions: 3.8 - 4.7 - 5.3- 4.6 - 3.8 cm approx. Adjustable head size: approx. 49 to 54 cm. Reference: Diadem of the actress Rachel adorned with shell cameos, imitation pearls and engraved vermeil, Comédie Française collection, Paris. A sardonyx and vermeil cameo tiara, circa 1830-1850. Gross weight : 174,73 gr. (the central cameo has a different mount, posterior bail, tiny scratches and hair). Cameo heights : 3,8 - 4,7 - 5,3- 4,6 - 3,8 cm approx. Adjustable head circumference : approx 49 to 54 cm. Reference : Tiara of the actress Rachel decorated with shell cameos, imitation pearls and engraved vermeil, collection of the Comédie Française, Paris.