From the end of the 19th century onwards, jewelry became an important vehicle for the formal experimentation and plastic innovation of its time, thanks to the development of knowledge about stone, the techniques used to produce it and the development of the art of jewelry. innovation of its time, thanks to the development of knowledge about stone, cutting and setting techniques. and setting techniques. Books and exhibitions showcase this leading decorative art, which accompanied Romanticism in all its forms. It accompanied Romanticism in its final stages before adopting the emerging Art Nouveau repertoire. Text in English and French.