|
Guide to Diamond
Grades
|
|
Grade
|
Color
|
Clarity
|
Description
|
|
AA
|
G-I
|
VS1-VS2
|
Small
inclusions, difficult to see with loupe, “eye clean”
|
|
A
|
G-I
|
SI1-SI2
|
Small
inclusions, easy to see w/ loupe, “eye clean”
|
|
B
|
G-I
|
I1
|
Small
eye visible inclusions
|
|
C
|
TLB
|
I3
|
Large
and/or numerous inclusions, not “eye clean”, light brown color (K-M)
|
Trillion
Diamonds
'A'
Triangle/Trillion Cut Diamond
|
Size
|
Avg.
Weight
|
Price/stone
|
|
3X3
|
0.07
|
$108.68
|
|
3.5X3.5
|
0.14
|
$229.95
|
|
4X4
|
0.19
|
$366.23
|
|
4.5X4.5
|
0.28
|
$609.00
|
|
5X5
|
0.34
|
$831.30
|
|
5.5X5.5
|
0.41
|
$1,091.63
|
|
6X6
|
0.56
|
$2,205.00
|
'AA'
Triangle/Trillion Cut Diamond
|
Size
|
Avg.
Weight
|
Price/stone
|
|
3X3
|
0.08
|
$135.00
|
|
3.5X3.5
|
0.13
|
$238.88
|
|
4X4
|
0.18
|
$357.75
|
|
4.5X4.5
|
0.25
|
$590.63
|
|
5X5
|
0.32
|
$885.60
|
|
5.5X5.5
|
0.41
|
$1,230.00
|
|
6X6
|
0.56
|
$2,310.00
|
'B'
Triangle/Trillion Cut Diamond
|
Size
|
Avg.
Weight
|
Price/stone
|
|
3X3
|
0.10
|
$126.00
|
|
3.5X3.5
|
0.15
|
$208.13
|
|
4X4
|
0.20
|
$295.50
|
|
4.5X4.5
|
0.26
|
$419.25
|
|
5X5
|
0.37
|
$679.88
|
|
