GEM / Exceptional(9-10) (C22_6_6)

AAA / EX. FINE(8-9) (C23_5_4)

AA / FINE(6-8) (C23_5_3)

A / GOOD(4-6) (C22_7_2)

B / Commercial(3-4) (C22_5_2)

C / Lower Commercial(1-3) (C22_8_1)