Reviewed 4 weeks ago.
Diamond jo casino8 reviews of Diamond Jo Worth Casino "Less dragon slots than I prefer. But they do have Wizard of Oz penny slots like I like. Based on the above comments it. Diamond Jo Casino, Northwood: See reviews, articles, and 23 photos of Diamond Jo Casino, ranked No.1 on TripAdvisor among 4 attractions in Northwood. Visit the premier casino and gaming establishment in Northwood, IA; the Diamond Jo Worth Casino.