Buying a home in Diamond, Ohio does not have to be difficult - Homes.com makes home buying a breeze. With 17 homes for sale in Diamond, Ohio, you can search by price, bedrooms, neighborhood, and even by property type. Search Diamond homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Diamond school data, neighborhood information, find Diamond real estate agents, and research home values in Diamond, OH. Homes.com has everything you need but the house keys.