Does anyone know the name of this animated movie?

Reminds me of The Rescuers. A 1977 Disney movie, starring two mice rescuing a little girl named Penny. The villain, Madame Medusa, forces Penny to retrieve a diamond from an ancient pirate cache for her, and she hides the diamond inside of the little girl’s teddy bear.

I thought of the Rescuers too. Here‘s a link to check.

Third on The Rescuers. In the movie (major spoilers), Penny, the young girl, has to drop down into a tidal cave and recover a diamond for the antagonist. She thwarts her initially, however, by hiding the gen inside of her stuffed bear, which I believe is the scene you’re thinking of.

Thanks! That is the answer I was looking for!