Gem-Knight Lady Brilliant Dia

"Gem with facelets of day and night! Briliant emerald of good fortune! Sharp jet-black darkness! In a whirlpool of light, combine to bring forth a new dazzling radiance! Fusion Summon! This is my true ace! Dazzling lady, Gem-Knight Lady Brilliant Diamond!"

- Gem-Knight Lady Brilliant Dia's Summoning chant

Deck

 * Masumi Kōtsu