From the end of the 19th century onwards, jewellery 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 jewellery. 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. AUTHOR: Rossella Froissart is Director of Studies at the Ecole Pratique des Hautes Études (EPHE-PSL) and Professeur. Professor at the University of Paris. She is the author of numerous articles and books on the decorative arts of the late 19th and 20th centuries the late 19th and 20th centuries, including L'Art dans Tout: les arts décoratifs en France et l'utopie d'un Art nouveau, Paris, CNRS Éditions, 2004. Paul Paradis is an art historian specialising in the decorative arts and a professor at the École des Arts Joailliers. Florent Guérif is a doctoral student at the Ecole Pratique des Hautes Études (EPHE-PSL) and teaches at the Haute École de Joaillerie and the Ecole des Arts Joailliers de Joaillerie and at the École du Louvre. 250 colour illustrations