Mathews Motor Coach Corp. of Camarillo, California offers the Diamante with the following options: Coupe de Roi (Towncar) hardtop, Sheared Vicuna or beaver carpeting, or Chinchilla lap robes. The car is built on a modified Cadillac chassis with wheelbase lengthened to 136 in. Running gear is standard Cadillac, custom body is fiberglass. Priced at $65,000.
Coupe de Roi Hardtop