Phosphophyllite

Sarah Wiedenheft

Phosphophyllite (voice)

Tomoyo Kurosawa

Alexandrite

Rie Kugimiya

Zircon

Brittney Karbowski

Cinnabar

Mikako Komatsu

Antarcticite (voice)

Mariya Ise

Aculeasis

Maggie Flecknoe

Diamond (voice)

Ai Kayano

Cinnebar

Avery Smithhart

Bort (voice)

Ayane Sakura

Morganite (voice)

Mutsumi Tamura

Diamond

Savanna Menzel

Goshenite (voice)

Saori Hayami

Rutile (voice)

Yumi Uchiyama

Euclase (voice)

Mamiko Noto

Bort

Genevieve Simmons

Morganite

Olivia Swasey

Jade (voice)

Ayahi Takagaki

Goshenite

Juliet Simmons

Red Beryl (voice)

Maaya Uchida

Rutile

Shelley Calene-Black

Benitoite (voice)

Ari Ozawa

Yellow Diamond

Allison Sumrall

Zircón (voice)

Himika Akaneya

Euclase

Serena Varghese

Sphene (voice)

Hitomi Nabatame

Peridot (voice)

Houko Kuwashima

Yellow Diamond (voice)

Junko Minagawa

Kongo-sensei

Jôji Nakata

Amethyst (voice)

Kanae Itou

Benito

Elissa Cuellar

Neptunite (voice)

Atsumi Tanezaki

Sphene

Natalie Jones

Obsidian (voice)

Ryo Hirohashi

Sensei Kongo

Brian Mathis

Watermelon Tourmaline (voice)

Sayaka Harada

Hemimorphite (voice)

Reina Ueda

Red Beryl

Cat Thomas

Aculeatus (voice)

Yuko Sanpei