I have obtained the Dream Jem from Coda Caves. What can I do with it?

you can take dream gems and other gems you collect to Itallio and he can change your pets into Galatic pets.

It won't show in the gem list when I'm taking them to Itallio. Glitch?

Itallo will give you a list of certain gems that he wants in order to make your pet Galactic. Therefore, there is no guarentee that the Dream Gem will be there, because he may or may not ask for it for that given pet.

Thank you both! Now Ferrer is Galatic. Mod may lock~