According to our records, this business is located at 300 Delaware Ave. in Wilmington (in New Castle County), Delaware 19801, the location GPS coordinates are: 39.746466 (latitude), -75.5504553 (longitude). Diamond Investments Corp is categorized under Securities (SIC code 6211). Current estimates show that the unit has a sales volume of $2,412,000 and staff of approximately 6 people. You can contact the company by phone at (302) 427-5719.