Behold this how-to for making your own Green Lantern ring. Sure, you need jeweler's wax, a tool for carving, a furnace, a buffing wheel, a...yeah, well, you probably don't have what you need to make this. But it's cool nonetheless. Especially since he made the Alan Scott, Hal Jordan and Kyle Rayner versions.
How do you know you're wearing the Kyle Rayner version? Because for a few years at least you'd find yourself getting pummeled every other month by somebody trying to steal your ring. You'd think, as you were getting your ass handed to you--again, "Man, if this was a comic, this would be boring as shit." And you know what? You'd be right.