You don't need to laq over the sticker mate.
Wheels are being done today , leaving centre cap standard , looks ok on your wheels mate , if im not happy the place where im having them done said bring it back and they will do centre caps if im not happy .
If you dont the caps were dull. The stickers wouldnt last 5 mins with hose pipe wheel brushes, micro fibres various cleaning products :S standard caps ftw