CN0
No Center Black Inclusion
CN1
Minor Center Black Inclusion
CN2
Medium Center Black Inclusion
CN3
Major Center Black Inclusion
SN0
No Side Black Inclusion
SN1
Minor Side Black Inclusion
SN2
Medium Side Black Inclusion
SN3
Major Side Black Inclusion
CW0
No Center White Inclusion
CW1
Minor Center White Inclusion
CW2
Medium Center White Inclusion
CW3
Major Center White Inclusion
SW0
No Side White Inclusion
SW1
Minor Side White Inclusion
SW2
Medium Side White Inclusion
SW3
Major Side White Inclusion
EX
Excellent Hearts & Arrow
VG
Very Good Hearts & Arrow
GD
Good Hearts & Arrow
NO
No Hearts & Arrow
ML0
No Milky
ML1
Slightly Milky
ML2
Medium Milky
ML3
Prominent Milky
T0
No Inclusion On Table Or In Centre
T1
Minor Inclusion On Table Or In Centre
T2
Medium Inclusion On Table Or In Centre (visible by naked eye on close inspection)
T3
Prominent Inclusion On Table Or In Centre (visible by naked eye)
T4
Major Inclusion On Table Or In Centre (visible by naked eye)
B0
No Black Inclusion
B1
Black Pinpoint (small dotted black/minor)
B2
Minor/Medium Black Inclusion
B3
Medium/Visible Black Inclusion (visible by naked eye without loupe) NOT EYECLEAN
B4
Prominent Black (visible by naked eye without loupe) NOT EYECLEAN
00
No Open Inclusion
01
Hair Line Open Inclusion
02
Small Open Inclusion
03
Medium Open Inclusion
04
Heavy Open Inclusion
N0
No Naturals
N1
Negligibly Small Natural
N2
Small Natural
N3
Medium Natural
N4
Heavy Natural
N0N
No Brown Or Green Tinge
TLB
Very Slight Brown Tinge Or Green Tinge
LB
Light Brown Tinge Or Green Tinge
B
Brown Tinge Or Green Tinge
N0NE
None Culet
VSM
Very Small Culet
SML
Small Culet
MED
Medium Culet
HEAVY
Big Culet
YES
Inclusion Not Visible By Naked Eye
NO
Inclusion visible By Naked Eye (Without loupe)