Diamant was a French automobile manufacturer active from 1901 to 1906, based in Paris. The company was founded by Hammond and Moutcret Compagnie, and it produced a range of conventional cars during its brief existence. The early models of Diamant, particularly those from 1902, featured single-cylinder engines with outputs of 5 or 7 horsepower, as well as a 9-horsepower twin-cylinder engine and a 12-horsepower four-cylinder engine. By 1904, the…