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How did plastic expand the materials available for modern mass-produced jewelry?

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jewelry Stomacher brooch with emeralds and enamel flowers on gold, from the treasure of the Virgin of Pilar, mid-17th century; in the Victoria and Albert Museum, London.

In the context of modern mass-produced jewelry, the introduction of plastic significantly expanded the creative possibilities for designers. This versatile material serves as a medium that can provide vibrant color to a piece, offering an aesthetic range that traditional materials might not achieve on their own.1

Furthermore, plastic functions as a flexible base that allows for complex compositions; it can be used to embed mineral fragments or dust, or it can be combined with various metals—ranging from common to more valuable types—to create intricate designs. This integration of materials enables the production of jewelry that is both visually compelling and technically sophisticated, reflecting the innovative spirit of modern decorative arts.1