GEM / Exceptional(9-10) (C14_5_6)

GEM / Exceptional(9-10) (C16_5_6)

AAA / EX. FINE(8-9) (C14_3_5)

AA / FINE(6-8) (C13_4_4)

A / GOOD(4-6) (C13_5_2)

B / Commercial(3-4) (C13_6_1)