Board Thread:News and Announcements/@comment-26415383-20151231183106/@comment-28828302-20160102024039

I have 3 theories:

Pikadot makes theories about other users instead of the show when he runs out of ideas.

The Answer will reveal that Garnet is a fusion of two gems called Ruby and Sapphire... nevermind, that's ridiculous, Garnet can't possibly be a fusion.

Amethyst was created by Pink Diamond before Rose Quartz transformed him into Lion.