Anonymous-Chinese (Ming Dynasty) (Chinese) Buccellati (Co.) (Italian, est. 1919) Bulgari (Co.) (Italian, est. 1884) Cartier (Co.) (French, est. 1847) Cern David Cooper (Canadian, born 1967) David Webb Inc. (American, est. 1948) De Grisogono (Co.) (Swiss) Michele Della Valle (Italian, born 1960) Ewok Fabergé (Co.) (Russian, est. 1842) Gu Kaizhi (Chinese, 348–409) Harry Winston Inc. (American, est. 1932) Hemmerle (Co.) (German, est. 1893) Joe Iurato (American, born 1973)
J.E. Caldwell and Co. (American, est. 1839) JAR (French, est. 1977) Li Gonglin (Chinese, 1898–1979) Marina B (Co.) (Italian/Swiss, est. 1979) Mauboussin (Co.) (French, est. 1827) Giacinto Melillo (Italian, 1846–1915) Oscar Heyman & Bros. (est. 1912) Elsa Peretti (American/Italian, 1940–2021) Piaget (Co.) (Swiss, est. 1874) Jaqueline Powers Pu Hua (Chinese, 1832–1911) Ruan Yuan (Chinese, 1764–1849) Jean Schlumberger (French, 1907–1987) Skewville Tai Xiangzhou (Chinese, born 1968)
