Which one should I get?

I want to start working with Procreate to design jewel, and no more. As it requires an iPad, I was wondering which one should I get, for the sake of only drawing and sketching. Thanks in advance.

I want to start working with Procreate to design jewel, and no more. As it requires an iPad, I was wondering which one should I get, for the sake of only drawing and sketching. Thanks in advance.