What is the mystery gift for Pokemon Diamond and Pearl?

The mystery gift for Pokemon Diamond and Pearl depends on the specific event you're referring to. There were many mystery gift events over the years, each offering different items.

To help me find the specific mystery gift you're looking for, please tell me:

* What year did you play the game?

* Was there a specific event or timeframe for the gift you're asking about?

* Do you remember any details about the gift, like what type of item it was or what Pokemon it was for?

Once I have this information, I can help you find the mystery gift you're looking for!