|
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)
|
Pear Shape Diamonds
'A'
Pear Shape Diamond
|
Size
|
Avg.
Weight
|
Price/stone
|
|
3X2.5
|
0.06
|
$89.10
|
|
3.5X2.5!
|
0.10
|
$148.50
|
|
4.0X2.5
|
0.11
|
$163.35
|
|
4X3
|
0.14
|
$207.90
|
|
1/5CT=5X3APX
|
0.21
|
$346.50
|
|
4.5X3.0
|
0.21
|
$311.85
|
|
1/4CT=5.5X3.5AP
|
0.25
|
$468.75
|
|
1/3CT=6X4APX
|
0.33
|
$688.05
|
'B' Pear Shape Diamond
|
Size
|
Avg.
Weight
|
Price/stone
|
|
4.0X2.5
|
0.12
|
$139.50
|
|
4X3
|
0.14
|
$175.35
|
|
4.5X3
|
0.16
|
$218.40
|
|
1/5CT=5X3APX
|
0.20
|
$295.50
|
|
1/4CT=5.5X3.5AP
|
0.26
|
$415.35
|
|
1/3CT=6X4APX
|
0.34
|
$624.75
|
|
