Basically, the Beryl Four is the big guns of White Diamond (who is Supreme Leader of Homeworld). I drew this based on a theory that Beryls could be the highest rank of Elite Gems in Homeworld. As soon as I finish the brief descriptions of the Beryls, I will provide a link.
Steven Universe + Aquamarine © Rebecca Sugar
Morganite, Emerald, Heliodor © Me