AnimalsJokes A Rat Swallowed A Diamond. What Follows Next Will Blow Your Mind. 6.3k Views A rat swallowed a diamond and the owner of the diamond contracted a man to kill the rat. When the rat hunter arrived to kill the rat there were more than a thousand rats bunched up altogether and one sitting by itself away from the pack. He spotted and killed the one sitting by itself and to the owner’s surprise, that was the exact one that had swallowed the diamond !!! The amazed diamond owner asked, “How did you know it was that rat?” He responded: “Very easy……. When idiots get rich, they don’t mix with others!!!” See more Previous joke A Woman Goes To Her Boyfriend's Parents' House. Next joke An Old Man Ordered A Glass Of White Wine.