They include classic forms of jewelry such as necklaces, rings, and earrings, as well as less common items with origins in non-European cultures. The book features jewelry ranging from the splendid crowns of ancient Greece, golden earrings from Babylon, and jeweled collars worn by thirteenth-century Islamic royalty to more modern pieces, such as those contained in the imperial collection of Queen Louise of Prussia and art nouveau jewelry designed by Rene Lalique.