The Devil's Diamond is a novel written by Richard Marsh and published in 1893. The story revolves around a valuable diamond called the ""Devil's Diamond"" that has been stolen from a wealthy man's collection. The thief is a notorious criminal named Simon Carne who is known for his cunning and intelligence. The owner of the diamond, Sir Charles Vandrift, hires a detective named Jack Ronald to find the thief and retrieve the diamond. However, Carne...