Yep, 2 pairs. There are 2 different color combinations that I know of...I think there's a dark pink and a light pink and one other one.
I'm not actually sure. I've seen 2 variations of the earrings on the card and they come in fixed sets so you can't swap. The ones I've seen so far are dark pink/light pink (the bottom color on the planning map) and the dark pink/pink (middle color on the planning map).
Here was the original planning map: