This was very true because of the superb designs that came from this period. This era was focused on women and the beauty of nature, and the pieces were often large in size.
Enamel was a commonly used material in Art Nouveau jewelry, as the era was more focused on the importance of design than the materials used to create it. The Art Nouveau period occurred before the start of World War I, when mass production took over the industry. Many products, including some jewelry.