Maurice Duvalet Douvalet, Van Clef & Arpels Ballerina Brooch. Photo Courtesy of Bonham's. Maurice Duvalet was a designer of French origin who designed jewelry for large houses as Van Cleef & Arpels and Rubel. He was famous for his ballerina brooches. Maker's Marks & Timeline Full Screen Duvalet, Maurice Country France Categories: ALL, D Tag: Need DescriptionSpecialties French born designer. Worked in conjunction with Van Cleef & Arpels. Ballerina brooches.