London Blue Topaz Gemstones

London Blue Topaz

TPZ680
TPZ680
3.71 ct.
9.0mm Round Cut
Medium Dark
Strong Green-Blue
Loupe Clean
[R] Neutron irradiated and/or heat treated.
Quantity Available: 4
London Blue Topaz

TPZ697
TPZ697
0.14 ct.
3.0mm Round Cut
Medium Dark
Strong Very Strongly Greenish Blue
Loupe Clean
[R] Neutron irradiated and/or heat treated.
One of a kind.
London Blue Topaz

TPZ471
TPZ471
2.38 ct. total
6.0mm Square (Step) Cut
Medium
Strong Very Strongly Greenish Blue
Loupe Clean
[R] Neutron irradiated and/or heat treated.
Only one pair available.
London Blue Topaz

TPZ470
TPZ470
0.94 ct.
6.0mm Heart Shape
Medium Dark
Strong Very Strongly Greenish Blue
Loupe Clean
[R] Neutron irradiated and/or heat treated.
Quantity Available: 2
London Blue Topaz

TPZ691
TPZ691
1.58 ct.
7.0mm Round, Checkerboard Top Cut
Medium Dark
Strong Very Strongly Greenish Blue
Loupe Clean
[R] Neutron irradiated and/or heat treated.
One of a kind.
London Blue Topaz

Calibrated London Blue Topaz

Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.

London Blue Topaz Quality AA
Shape Size Avg. Weight Price Each
1mm
0.006
1.25mm
0.01
2.5mm
0.085
3mm
0.14
3.5mm
0.22
4mm
0.33
4.5mm
0.45
5mm
0.60
5.5mm
0.80
6mm
1.05
6.5mm
1.30
7mm
1.65
8mm
2.40
9mm
3.25
10mm
4.25
 
  AA
5x3mm
0.30
6x4mm
0.58
7x5mm
1.00
8x6mm
1.60
9x7mm
2.40
10x8mm
3.60
11x9mm
4.60
12x10mm
6.00
14x10mm
7.00
14x12mm
10.60
16x12mm
11.00
 
  AA
5x3mm
0.26
6x4mm
0.50
7x5mm
0.85
8x5mm
1.05
8x6mm
1.40
9x6mm
1.65
10x7mm
2.35
12x8mm
3.65
14x9mm
5.75
15x10mm
7.25
 
  AA
4x2mm
0.11
6x3mm
0.32
8x4mm
0.66
10x5mm
1.33
12x6mm
2.15
14x7mm
3.40
 
  AA
5x3mm
0.37
6x4mm
0.70
7x5mm
1.30
8x6mm
1.57
9x7mm
2.47
10x8mm
3.01
11x9mm
4.01
12x10mm
7.80
14x10mm
9.10
 
  AA
2.5mm
0.11
3mm
0.20
4mm
0.45
4.5mm
0.57
5mm
0.83
6mm
1.42
 
  AA
4mm
0.32
5mm
0.50
6mm
1.00
7mm
1.38
8mm
2.30
9mm
2.99
10mm
4.00
 
  AA
4mm
0.28
5mm
0.62
6mm
1.00
7mm
1.50
 
  AA
4x2mm
0.14
5x2mm
0.20
5x2.5mm
0.30
6x3mm
0.45
 
  AA
4x2x1.5mm
0.12
 
  AA
3mm
0.18
3.5mm
0.28
4mm
0.40
4.5mm
0.57
5mm
0.80
5.5mm
1.10
6mm
1.38
6.5mm
1.65
 
  AA
4mm
0.34
5mm
0.75
10mm
6.35
 
  AA
5x3mm
0.40
6x4mm
0.75
7x5mm
1.15
8x6mm
1.70
9x7mm
2.90
10x8mm
4.15
14x10mm
9.00
 
  AA
5x3mm
0.33
6x4mm
0.65
8x6mm
1.60
10x7mm
2.80
 
  AA
5mm
1.00
6mm
1.50
10mm
7.00
 
  AA
6mm
1.20
 
  AA
5mm
0.75
6mm
1.25
 
  AA
8x6mm
1.70
9x7mm
2.50
10x8mm
3.50
12x10mm
6.60
14x10mm
7.70
 
  AA
12mm
4.65
 
  AA
12x9mm
4.65
 
  AA
10x8mm
3.75
14x10mm
7.85
 
  AA
7mm
1.65
8mm
2.50
 
  AA
5mm
0.75
6mm
1.25
7mm
1.75
8mm
2.80
9mm
3.60
10mm
5.50
12mm
9.60
 
  AA
8x6mm
1.70
9x7mm
2.45
10x8mm
3.45

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