Academy Award Winner Russell Crowe is planning to settle down and marry his long time flame, Danielle Spencer, newspaper reports said today.Crowe, 38 splashed out $187,805 on a diamond engagement ring for the actress, the British Newspaper 'The Sun' reported today.The engagement follows a rocky year for Crow in which he won awards for his own screen performances but was pilloried in the press for his for his off screen behaviour.