Diamond Full Cut
| Manufacturing / Trading |
Shape |
Color |
Shade |
Ct/Size |
Clarity |
Cut |
| Manufacturing |
Round |
White |
DEF & GH |
-2 to -11 |
VVS to PK |
VG to Medium |
| Trading |
Round |
White |
DEF & GH |
-2 to 50 pts |
VVS to PK |
VG to Medium |
| Trading |
Round |
White Natts |
GH |
-2 to 50 points |
SI to I3 |
VG to Medium |
| Trading |
Round |
TLB Natts |
C1 to C3 |
-2 to 50 pts |
SI to I3 |
VG to Medium |
| Trading |
Round |
TTLB |
C1 to C8 |
-2 to 50 pts |
VVS to PK |
VG to Medium |
| Trading |
Round |
TTLC |
I to K |
-2 to 50 pts |
SI to I3 |
VG to Medium |
Treated Diamonds
| Manufacturing / Trading |
Shape |
Color |
Shade |
Ct/Size |
Clarity |
Cut |
| Trading |
Round |
Blue |
2 shades |
-2 to 50 pts |
SI to I3 |
VG to Medium |
| Trading |
Round |
Yellow |
2 shades |
-2 to 50 pts |
SI to I3 |
VG to Medium |
| Trading |
Round |
Green |
2 shades |
-2 to 50 pts |
SI to I3 |
VG to Medium |
| Trading |
Round |
Cognac |
2 shades |
-2 to 50 pts |
SI to I3 |
VG to Medium |
| Trading |
Round |
Black |
|
-2 to 50 pts |
SI to I3 |
VG to Medium |
Diamond Ct/Size/Sieve from -2 to 50 pts
| Diamond Color |
DEF |
GH |
IJ |
KL |
MN |
OP |
| White |
Colorless |
White |
|
|
|
|
| TTLB |
|
|
TTLB (C1,C2) |
TLB (C3,C4) |
LB (C5,C6) |
DB (C7,C8) |
| TTLC |
|
|
TTLC |
TLC |
LC |
DC |
|
+0000-2 |
+2-6.5 |
+6.5-11 |
+11-14 (1/10) |
+14-16 (1/6) |
|
|
18-22.5 pts (1/5) |
22.5-30 pts (1/4) |
30-38 pts (1/3) |
38-45 pts (3/8) |
45-60 pts (1/2) |
|
Diamond Clarity from VVS to PK
| VVS 1 |
VVS 2 |
VS 1 |
VS 2 |
SI 1 |
SI 2 |
SI 3 |
| I 1 |
I 2 |
I 3 |
PK 1 |
PK 2 |
PK 3 |
PK 4 |
| Diamond Cut |
Ideal |
Excellent |
Very Good |
Good |
Medium |
|
