Beautiful Antique Lovell “Diamond” Hard Tire Safety Bike. The Bicycle was manufactured by Iver Johnson for John P. Lovell Arms Co. Sporting Goods Line. Eventually over Time Lovell Diamond became the name of the Bicycle line, but this Bike was actually called a Lovell “Diamond” Model #1. The Model 1 was a Men’s Safety with hard Tires. This Lovell Diamond is a Top Notch Perfectly Restored and Preserved Quality Hard Tire Safety Bicycle.