Peridot is determinedly ignoring whatever look Lambert gives her. He obviously doesn't get it. All she knows is that Lapis is missing, and she needs to get to the bottom of it one way or another. Asking the head honcho of the court in question seems like a good place to start to her.

"Maybe if you actually told us what it is that you ACTUALLY want to know, you might get a direct answer?" Peridot growls.