The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Press L1 for invincibility
D00721CE FBFE
8003B6FA 8CC2
Unlimited jewels
80076660 0064
Inf health
9103eec9
Press R1 to disable invincibility
D00721CE F7FE
8003B6F2 ACC2
Five crystals for all levels
91ffe3c9
Inf lives
9163f0c9
Max attack points
9163f6c9
Unlimited lives
800765E0 0009
800765E4 0009
Crystal points
91ffb4ca
Maximum jewels card
800765E8 270F