I just reviewed my Quicktime copy of the AMG opening theme, frame
by frame when the five little Urd's are on screen!  Urd in the Anime IS
wearing Limiter Earings!

Those aren't Limiter Earings. Her earrings are used to hold magic stones
you see. Belldandy also has a set of magic stones on her right earring. Her
left earring is the Limiter earring. Ask other AMG fans on the ML to
confirm it for you.