Diamond

ダイヤ

About

Diamond (true name unknown) is Amu's fourth Guardian Character, with a musical flair. She became an X Egg when Amu disliked all the changes that were happening,and then hatched as an X Character after Utau finds her egg and character tranforms with her as Dark Jewel. Since Amu did not know Dia's real name, Amu just calls the Guardian Character "Dia", a shorter form of "Diamond." When Amu convinces Dia that she can change, the "X-mark" is lifted and a Character Transformation sparks as the two b...