The article is about the concept of a housing estate in Germany. The project was created as a part of a competition. The contest was organized by the ISOVER Company. The name of the contest is ISOVER Multi-Comfort House Students Contest Edition 2013 Vision & Reality – Glückstein Quartier. With reference to a historical place which belongs to our place, the development has been called “diamond apartments” Houses have a shape like the crystal of a diamond. The way of creation, location, and building shape assure the maximum usage of solar energy, so that there will by optimal thermal comfort inside. The project also includes a large scale service and entertainment building complex, located in the immediate vicinity planned residential development.