Investment FOCUS At Diamond Realty, we believe that focus is the key to success. We invest in five asset types: Class-A Multifamily, Student Housing, Senior Housing, Medical Office and Industrial. We form joint ventures with experienced developers with proven track records of success. We look for long-term relationships that can grow over time. With the strength of Mitsubishi Corporation behind us and as part of a global strategy – we have access to consistent multiple equity sources.