If she'll actually play with it long term, it's probably not over the top. If you have more than 1 girl, and it becomes a centerpiece of their playing house, then it's a worthwhile toy. If it's a short term excitement, and will be left in the corner after a short while, don't bother. (That's where the bad chinuch comes in.)
How do you know? Does she have sustained play sessions with her dolls and their stuff? Does she frequently play doll?
[I had 3 girls in a row and I had doll equipment to the wazoo. All Most well worth it.]