The document summarizes the origins and influences of the Art Deco style during the 1920s-1930s. It discusses how Art Deco rejected the organic styles of the past in favor of geometric designs incorporating new materials like plastics. Art Deco was influenced by diverse sources around the world, from Ballet Russe to Egyptian motifs after Tutankhamun's tomb was discovered. Jewelry of the period featured these styles alongside new cuts like baguettes and cabochon stones in bold colors.