so get out there and curb the other 3 goldies so you have a matching set!
or....
if it's just the rim that's sccratched, you can touch it up with one of those gold paint markers, just dab in the gouges and it'll look a lot better. the thick paint fills smaller gouges somewhat.
if it's the spokes of the wheel, it's harder. too many sharp edges and bent bits to get rid of easily. yo could file em down and try to touch up the silver alum that's showing thru