Choose the Games that You Want to Trade Between
To begin, choose the game to trade from, OR use the form below.
This page explains how to trade from Pokémon Y to Pokémon Diamond.
Trade Not Possible from Pokémon Y to Pokémon Diamond
Sorry, but it's not possible to trade from Pokémon Y to Pokémon Diamond. Pokémon can't be traded from newer games to older ones.