|
Synthetic
Gilson Black Opal
Heart Gilson Black
Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
4X4CAB
|
SYN
|
0.23
|
$29.90
|
|
5X5CAB
|
SYN
|
0.43
|
$55.90
|
|
6X6CAB
|
SYN
|
0.51
|
$66.30
|
|
7X7CAB
|
SYN
|
0.66
|
$85.80
|
Marquise
Gilson Black Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
4X2CAB
|
SYN
|
0.06
|
$7.80
|
|
6X3CAB
|
SYN
|
0.17
|
$22.10
|
|
8X4CAB
|
SYN
|
0.42
|
$54.60
|
|
10X5CAB
|
SYN
|
0.68
|
$88.40
|
|
12X6CAB
|
SYN
|
1.17
|
$152.10
|
|
15X7CAB
|
SYN
|
1.70
|
$221.00
|
Oval
Gilson Black Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
5X3CAB
|
SYN
|
0.18
|
$23.40
|
|
6X4CAB
|
SYN
|
0.29
|
$37.70
|
|
7X5CAB
|
SYN
|
0.51
|
$66.30
|
|
8X6CAB
|
SYN
|
0.77
|
$100.10
|
|
9X7CAB
|
SYN
|
1.00
|
$130.00
|
|
10X8CAB
|
SYN
|
1.38
|
$179.40
|
|
12X10CAB
|
SYN
|
2.34
|
$304.20
|
Pear
Gilson Black Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
5X3CAB
|
SYN
|
0.16
|
$20.80
|
|
6X4CAB
|
SYN
|
0.27
|
$35.10
|
|
7X5CAB
|
SYN
|
0.46
|
$59.80
|
|
8X5CAB
|
SYN
|
0.55
|
$71.50
|
|
9X6CAB
|
SYN
|
0.73
|
$94.90
|
|
10X7CAB
|
SYN
|
1.17
|
$152.10
|
Round
Gilson Black Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
3.0CAB
|
SYN
|
0.10
|
$13.00
|
|
4.0CAB
|
SYN
|
0.19
|
$24.70
|
|
5.0CAB
|
SYN
|
0.38
|
$49.40
|
|
6.0CAB
|
SYN
|
0.55
|
$71.50
|
|
7.0CAB
|
SYN
|
0.80
|
$104.00
|
|
8.0CAB
|
SYN
|
1.20
|
$156.00
|
Trillion
Gilson Black Opal
|
Size
|
AGTA
|
Avg.
Weight
|
Price/stone
|
|
5X5X5CAB
|
SYN
|
0.35
|
$45.50
|
|
6X6X6CAB
|
SYN
|
0.51
|
$66.30
|
|
