Thanks,
How about compare to another rock 3 :
GIA = 2161096068 H, SI1, 1.02 car, 3EX, none Rock 3 is a little bit more expensive than rock 1 (GIA = 6175397525) Rock 3 looks not so clear than Rock 1 and is one color lower than rock 1. The cutting of rock 1 and rock 3 seem to be nearly the same....