Morgan Aero Works produced the single seat Diamond. The Super Diamond is a fabric-covered, pop-riveted aluminum tubing design with premolded fiberglass wing ribs, cowlings, fairings, etc.
The Super Diamond four-stroke single-seater can take many engines in the 60-80 hp range and they have a Super Diamond Twister model that is approved for aerobatics.
The complete kits less motor, instruments, paint and upholstery ran about $14-18k for the single-seater.
All Aero 