- Country: USA
- Genres: Action, Adventure, Mystery
- Release: 1921-02-19
- Director: Stuart Paton
- Writers: John B. Clymer , Charles W. Goddard
- Language: English
- Stars: Grace Darmond , Grace Darmond , Harry Carter , Harry Carter , Harry Carter , George Chesebro , George Chesebro , Boris Karloff , Boris Karloff , Carmen Phillips , Carmen Phillips , William Marion , William Marion , Frank M. Seki , Harry Archer , Arthur Clayton , Ethel Shannon
- Runtime: 300 min
- Awards: N/A
- AKA: The Hope Diamond Mystery (United States of America) , The Hope Diamond Mystery , The Hope Diamond Mystery (United Kingdom) , The Romance of the Hope Diamond (United States of America)
- Plot: The true story of Lord Francis Hope, who inherits the Hope Diamond and marries showgirl May Yohe'. Lord Francis Hope gambles away the family fortune and May Yohe' leaves him--another suspected curse of owning the Hope Diamond.
- IMDB:tt0012293
The Hope Diamond Mystery Cast · · · ALL
Stuart Paton
Director
Grace Darmond
Mary Hilton / Bibi
Harry Carter
Sidney Atherton / Nang Fu / Ghung
George Chesebro
John Gregge / Jean-Baptiste Tavanier
Boris Karloff
Priest of Kama-Sita / Dakar
Carmen Phillips
Wanda Atherton / Miza
Arthur Clayton
Lord Francis Hale (as Captain C. Clayton)
Ethel Shannon
Lady Francis Hale
William Buckley
Reginald Travers (aka Putnam Bradley Stone)