Hans Stern

Hans Stern upon arrival in Rio de Janeiro, BrazilHans Stern (October 1, 1922 – October 26, 2007) was a Brazilian jeweler and businessman. He was dubbed the "king of the colored gems" by The New York Times and acclaimed by the international media.

Career Stern started his career in the gemstone industry when he began working at the Rio de Janeiro-based company, Cristab, which exports precious stones and minerals from Brazil. Stern had been hospitalized for days before his death. He was survived by his wife, Ruth, whom he married in 1958. Together the couple had four sons - Roberto, Ricardo, Ronaldo and Rafael.