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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (82): London Blue Topaz Gems - Topaz Clear All
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4 pcs
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0.9ct Oval Facet London Blue Topaz Gem (ID: 480622)
0.92 ct (total 3.67ctw) Topaz
7 x 4.9 mm
$ 29.36
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4 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 498713)
0.75 ct (total 2.98ctw) Topaz
6.9 x 5 mm
$ 20.86
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4 pcs
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1ct Oval Facet London Blue Topaz Gem (ID: 480539)
0.97 ct (total 3.87ctw) Topaz
7 x 5.1 mm
$ 30.96
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2 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 498698)
0.84 ct (total 1.68ctw) Topaz
7.1 x 5 mm
$ 11.76
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4 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 499757)
0.75 ct (total 3.00ctw) Topaz
7 x 5 mm
$ 21.00
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2 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 498701)
0.82 ct (total 1.63ctw) Topaz
7 x 5 mm
$ 11.41
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4 pcs
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0.7ct Pear Facet London Blue Topaz Gem (ID: 499762)
0.70 ct (total 2.81ctw) Topaz
6.9 x 4.9 mm
$ 19.67
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1 pc
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3.5ct Pear Facet London Blue Topaz Gem (ID: 414606)
3.51 ct Topaz
11.7 x 8 mm
$ 41.17
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1 pc
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3.9ct Pear Facet London Blue Topaz Gem (ID: 414704)
3.90 ct Topaz
12 x 8.1 mm
$ 45.75
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5 pcs
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0.8ct Oval Facet London Blue Topaz Gem (ID: 480516)
0.81 ct (total 4.04ctw) Topaz
6.9 x 4.9 mm
$ 32.32
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2 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 499657)
0.79 ct (total 1.57ctw) Topaz
6.9 x 5.1 mm
$ 10.99
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4 pcs
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0.7ct Pear Facet London Blue Topaz Gem (ID: 498732)
0.74 ct (total 2.94ctw) Topaz
7 x 5 mm
$ 20.58
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4 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 498715)
0.76 ct (total 3.04ctw) Topaz
7 x 4.9 mm
$ 21.28
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2 pcs
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1.4ct Pear Facet London Blue Topaz Gem (ID: 441968)
1.41 ct (total 2.81ctw) Topaz
8.8 x 5.9 mm
$ 15.37
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2 pcs
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0.7ct Pear Facet London Blue Topaz Gem (ID: 499661)
0.74 ct (total 1.48ctw) Topaz
7.1 x 5.1 mm
$ 10.36
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1 pc
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1.4ct Pear Facet London Blue Topaz Gem (ID: 442671)
1.42 ct Topaz
8.8 x 5.9 mm
$ 7.77
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2 pcs
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1.4ct Pear Facet London Blue Topaz Gem (ID: 442026)
1.39 ct (total 2.78ctw) Topaz
8.7 x 5.8 mm
$ 15.21
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2 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 499664)
0.81 ct (total 1.61ctw) Topaz
7 x 5 mm
$ 11.27
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2 pcs
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0.8ct Pear Facet London Blue Topaz Gem (ID: 498699)
0.75 ct (total 1.50ctw) Topaz
7 x 5 mm
$ 10.50
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4 pcs
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0.7ct Pear Facet London Blue Topaz Gem (ID: 498729)
0.70 ct (total 2.79ctw) Topaz
6.9 x 4.9 mm
$ 19.53
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4 pcs
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1ct Oval Facet London Blue Topaz Gem (ID: 480619)
0.97 ct (total 3.89ctw) Topaz
7 x 5.1 mm
$ 31.12
Item in Stock
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London Blue Topaz Gems
In general, blue topaz is one of the most popular and best value gemstones available today. Since natural blue topaz is extremely rare and often pale in color, the colors of London blue, Swiss blue, Electric blue and Sky blue topaz are formed through an artificial irradiation enhancement process. London blue topaz is considered 'natural topaz' although it has been treated, and through enhancement, it remains as one of the more affordable gemstones on the market, even in larger sizes; especially when compared to the prices of other popular blue gemstones, such as aquamarine, blue zircon and most especially, blue sapphire. It is in fact, the second most popular blue gemstone on the market, next to blue sapphire. Topaz is one of December's official birthstones. The topaz family of gemstone is indeed one of the most important gems in the world of colored stones. It is one of the hardest gems available (8 on Mohs scale), although its perfect cleavage can leave it vulnerable to hard knocks and blows, a trait it shares with diamond.

Blue topaz is available in a wide range of vivid blue hues, and not only does it occur with excellent transparency, it also exhibits a striking vitreous luster when cut and polished. Of all the many different colors of blue topaz, London blue is the most prized and usually the most valuable. However, since all blue topaz is relatively affordable, price differences between other color varieties are usually quite minimal. Blue topaz is traded under specific color varietal trade names such as Sky-blue, Swiss-blue and London-blue. London blue is the deepest of blue topaz colors and is described as being a medium to dark grayish-blue, sometimes referred to as 'inky' blue. London blue topaz gems will often have a slight secondary greenish tone when viewed from certain angles.

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I have purchased from Gemselect before, the shopping is easy, clear and quick. You have a wide range of products so I can adjust what I want to how much I can spend! The photos of the gems are beautiful and make it easy to choose the one suits me best! I honestly cannot fault you in any way at all! The delivery is always timely too! You guys rock! ;)
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

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Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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