Echelon
Character: Rikku
Abilities: any 3 of: (Magic Def +3% or Magic Def +5% or Magic Def +10% or Magic Def +20%)
Equivalent: Sapphire Armguard (Wakka)
Sapphire Armlet (Kimahri)
Sapphire Bangle (Lulu)
Sapphire Bracer (Auron)
Sapphire Ring (Yuna)
Sapphire Shield (Tidus)