The Empire of Diamonds
- annos singulos: 1920
- Patriam: United States of America
- genus: Drama, Crime
- Studio: Léonce Perret
- keyword: based on novel or book, diamond, silent film, artificial diamonds
- Director: Léonce Perret
- cast: Robert Elliott, Lucy Fox, Henry G. Sell, Léon Mathot, Jacques Volnys, Laurent Morléas