|
Diamond Grading System
The value of diamonds is accessed according to 5
factors, popularly known as the “five Cs”
|
| Carat weight |
weight of stone |
| Colour |
The grade of colour, either the relative “whiteness”, or the rarity and disirability of fancy colours |
| Clarity |
Clarity, or relative freedom from inclusions |
| Cut |
The style and quality of cut |
| Confidence |
The 5 cs of Diamond |
|
Colorless to Fancy Yellow (G I A) |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z+ |
|
| Trade Mark (C I B J O) |
| |
Jager |
| Colorless |
Stones in these
grades look colorless face-up; slight traces
of color will not be apparent in mounted stones
to other than the trained eye |
| Small stones in this range will
look colorless face-up when mounted, but large
ones will be tinted |
| Mounted stones in these grades
will display a yellowish tint evento the untrained
eye. |
|
| Fine White |
River
Top Weselton |
| White |
Wesselton |
| Commerial White |
Top Crystal |
| Top Silver Cape |
Crystal |
| Silver Cape |
Top Cape |
| Light Cape |
Cape
Low Cape
|
| Cape |
Very
Light
Yellow |
| Dark Cape |
|
| |
