In the Steven Universe episode (Season 4, Episode 14), Steven and the Crystal Gems conclude their rescue mission to Pink Diamond’s Zoo to retrieve Greg. Plot Summary
It is revealed that all Rose Quartzes have been bubbled and kept in Pink Diamond's Zoo since the rebellion because they are the same Gem type as the "murderer" of Pink Diamond. [S4E14] That Will Be All
While attempting to escape, Steven and Greg find themselves in a room filled with thousands of bubbled Rose Quartzes. In the Steven Universe episode (Season 4, Episode
Pearl delivers a crushing reality check to Holly Blue, noting that reporting the Gems' escape would only expose her own incompetence to the Diamonds. She dismisses her with the titular line, "That will be all". Key Themes & Revelations Pearl delivers a crushing reality check to Holly
The episode establishes that Amethyst has a "geological family" of Quartzes from Earth who share her boisterous personality and do not strictly follow Homeworld's rigid rules.