Setting things on fire is fun. So long as it isn't Loki.

"Ah, no. Not yet. Or if they have, they aren't on the market yet." Tony Stark might be hiding a whole diamond-growing factory somewhere; she wouldn't put it past him! (It would help explain how his daddy could give away all those bracelets.)

"That's both poetic and structurally sound. Impressive." She might be teasing just a bit, but mostly it's a sincere compliment.