Title: Diadem
Object type: Diadem
Date: ca. 1860
Artist: Firm of Castellani 
Artist role: Maker
Medium: Gold, agate, glass, pearls, enamel
Dimensions: Overall (confirmed): 1 1/8 x 7 1/2 x 7 in. (2.9 x 19.1 x 17.8 cm)
Classification: Jewelry
Credit line: Gift of Judith H. Siegel, 2014
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY