The Cyclecar Company, based in Wilmington, Delaware, produced the Diamond automobile during a brief period from 1914 to 1915. The Diamond was notable for being larger than typical cyclecars of its time, featuring a 16/20 horsepower four-cylinder engine. In 1915, the company reclassified the Diamond as a light car, although it retained the original company name. The vehicle was equipped with electric lighting and starting systems, which were…