Also, IIRC McGonnagal was there, presumably she would have said something if Griphook was obviously lying or omitting something important, as suggested above. (Also, I got the impression goblins were really serious about money.)
Also, IIRC McGonnagal was there, presumably she would have said something if Griphook was obviously lying or omitting something important, as suggested above. (Also, I got the impression goblins were really serious about money.)