Going along with the theory that the diamonds in there murals are holding planets that are under there control.
Why is pink Diamond the only one holding a singular planet while the rest of the Diamonds have collected a far larger amount under there control, it didn’t make a lot of sense as the Diamond authority is supposedly a collaboration between all the Diamonds and I would believe keeping anyone down could lead to rebellion in their ranks, this has lead me to the conclusion that Pink Diamond hasn’t been around for as long as the other diamonds, that she wasn’t as old as they were, she was brand new.
Earth wasn’t just Pink Diamonds planet she was created on earth. As we have seen in the episode ‘It could’ve been great,’ the earth is greatly differentiated from the one know. With this burst of knew knowledge we have a proper explanation of why the earth is so warped in this universe as Diamonds are shown to be quite powerful, destructive and large so the birth of one bursting out of the ground would in fact cause quite the geographical shift in the world as gems are told to break open the Earth to get to freedom.
Drawing to the logical conclusion that Pink Diamond was created on Earth does that mean she and Rose could have emerged at the same time, with Rose being the very first solider under her rule and her closet, she would have had more freedom to explore and expand her mind to the world around her allowing thoughts that strayed away from the Diamond Authority.
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