"You're..." If things had been a little different, Rose might have taken survey of the room. She might have looked around to gauge what Sophie had spent her mourning period doing. But she was distracted by the fact that her sister was a walking diamond. Rose was used to this sort of thing from her mother, not from Sophie. She was so distracted that she didn't notice that her hair was far darker than it had been just a few moments earlier. "You're a diamond?" From everything she'd read and heard, she had no idea that Sophie was supposed to share their mother's secondary mutation, too.