Y.M.
You can give Tiffany style pendant necklace, personalized greeting cards, cute brace-late etc. One more best option is Y. magazine which is written by Jewish girl for Jewish girls full of contest, inspirational stories, recipe etc. So it will be an awesome bat mitzvah gift. You may also subscribe to get more information or visit http://Y..com/. Try it I.K. and give me your feedback.