I'm thinking of a fruit.
The kind that comes from a plant, and has flesh surrounding a seed (or maybe not if it was GMOed).
Rules:
You have 11 questions (in total, not each).
They must all be yes/no questions.
First correct answer closes the game.
If the game hits 11 questions with no correct...
Actually, the only thing that wasn't stolen at the Louvre's Apollo Gallery is the Regent Diamond, figure no one would take it because something to do with a curse.