Lapis: No gem, Homeworld or Crystal, no gem threatens a messenger!

Bismuth: You bring the gems of defeated rebels to my planet. You insult Rose Quartz. You threaten my people with corruption and shattering! Oh, I've chosen my words carefully, Homeworld Gem. Perhaps you should have done the same!

Lapis: This is blasphemy! This is madness!

Bismuth: Madness…?

[shouting]

Bismuth: This is Earth!

Remember though, the Beta kindergarten came later in the war. Until its commission the CG were fighting fully functional Quartz soldier's from the Prime Kindergarten.