Bunneary does not evolve through leveling up but through happiness.
Bunneary evolves when you max out it's happiness. It can evolve at any level.
40.
In Pokémon Mystery Dungeon: Explorers of Time/Darkness/Sky, Bunneary evolves into Lopunny at level 100. To evolve it, you need to level up Bunneary to this specific level, after which it will naturally evolve into Lopunny.
Please clarify your question. What level does evolve in diamond? What Pokemon are you talking about?
he does not evolve in diamond or any game
Rephrase your question = What level does snorlax evolve on Pokemon diamond? =
It doesn't evolve at a level, you have to trade it.
Magikarp evolve at level 20.
ditto does not evolve.
In pokemon diamond ponyta will evolve in level 40
At level 32.
level 32