Mrs. Gainsborough's Diamonds is a novel written by Julian Hawthorne, published in 1888. The story is set in the late 19th century and revolves around the theft of a valuable diamond necklace belonging to Mrs. Gainsborough, a wealthy and respected member of society. The theft is investigated by a detective named Mr. Gryce, who is assisted by a young woman named Violet Strange. As the investigation progresses, it becomes clear that the theft is more...