no you cant
you do need cheats
You cant catch a celebi without an actionplay!
You Can ONLY Get Celebi In Pokemon Diamond By Using Action Replay.
I dont know maybe you should ty serebii.com
No, the only way is to attend a Nintendo event.
no.
u can't
You cannot catch Celebi in Pokemon Diamond.
There is an Action Replay code for Celebi on Pokemon Diamond. After entering the code, walk through areas of grass to encounter the Celebi.
YOU CAN'T GET CELEBI IN DIAMOND WITOUT MIGRATING
The only way to get Celebi on Pokemon Pearl without AR cheats is via event distributions. However these events are no longer being held or supported for Pokemon Diamond, Pearl and Platinum.
I don't know but for how to:go to youtube and search: how to capture celebi in Pokemon Diamond. I did that and tada! I have 5 celebis (transferred by my spare Pokemon pearl.)