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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (158): Blue Gemstones Clear All
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Blue Kyanite Gem - 2.6ct Cushion-Cut (ID: 471003)

Cushion Blue Kyanite

2.6ct
8.1 x 8.1 mm
$ 133.09
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1 pc
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Violet Blue Tanzanite Gem - 2.7ct Cushion-Cut (ID: 458807)

Cushion Blue Tanzanite

2.7ct
9.5 x 6.6 mm
$ 540.00
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1 pc
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Violet Blue Tanzanite Gem - 5ct Cushion-Cut (ID: 499577)

Cushion Blue Tanzanite

5ct
13.1 x 8.3 mm
$ 1,405.60
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1 pc
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Swiss Blue Topaz Gem - 54.8ct Cushion Checkerboard (ID: 505676)

Cushion Blue Topaz

54.8ct
26.9 x 18.5 mm
$ 403.95
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Violet Blue Tanzanite Gem - 12ct Cushion-Cut (ID: 378197)

Cushion Blue Tanzanite

12ct
13.1 x 12.8 mm
$ 6,123.75
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Violet Blue Tanzanite Gem - 1.2ct Cushion-Cut (ID: 295077)

Cushion Blue Tanzanite

1.2ct
8.1 x 4.9 mm
$ 218.24
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Violet Blue Tanzanite Gem - 6.9ct Cushion-Cut (ID: 400905)

Cushion Blue Tanzanite

6.9ct
12.2 x 10 mm
$ 3,486.85
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Light Blue Aquamarine Gem - 10.6ct Cushion Cabochon (ID: 469723)

Cushion Blue Aquamarine

10.6ct
13 x 13 mm
$ 89.48
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Swiss Blue Topaz Gem - 67.8ct Cushion Checkerboard (ID: 505681)

Cushion Blue Topaz

67.8ct
26.4 x 21 mm
$ 499.69
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Violet Blue Tanzanite Gem - 1.8ct Cushion-Cut (ID: 280526)

Cushion Blue Tanzanite

1.8ct
9.1 x 6.5 mm
$ 226.06
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Violet Blue Tanzanite Gem - 9.2ct Cushion-Cut (ID: 487809)

Cushion Blue Tanzanite

9.2ct
11.6 x 10.8 mm
$ 2,769.00
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20 pcs
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Blue Lapis Lazuli Gem - 4.5ct Cushion Cabochon (ID: 506095)

1 pc (avg. 4.52 ct) Blue Lapis Lazuli

10.1 x 10.1 mm
$ 7.13
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Blue Zircon Gem - 7.7ct Cushion-Cut (ID: 489994)

Cushion Blue Zircon

7.7ct
9.9 x 9 mm
$ 460.80
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Green Blue Apatite Gem - 3.5ct Cushion-Cut (ID: 412590)

Cushion Blue Apatite

3.5ct
10.6 x 8.4 mm
$ 310.81
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2 pcs
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Blue Lapis Lazuli Gem - 4.8ct Cushion Cabochon (ID: 503924)

Cushion Blue Lapis Lazuli

4.84 ct (total 9.68ctw)
11.1 x 9.1 mm
$ 15.49
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Swiss Blue Topaz Gem - 64.4ct Cushion Checkerboard (ID: 505395)

Cushion Blue Topaz

64.4ct
29.7 x 19.1 mm
$ 474.41
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Violet Blue Tanzanite Gem - 7.8ct Cushion-Cut (ID: 487806)

Cushion Blue Tanzanite

7.8ct
12.7 x 10 mm
$ 2,343.00
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Green Blue Larimar Gem - 13.5ct Cushion Cabochon (ID: 391430)

Cushion Blue Larimar

13.5ct
18.2 x 12.4 mm
$ 162.36
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2 pcs
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Blue Lapis Lazuli Gem - 4.3ct Cushion Cabochon (ID: 502153)

Cushion Blue Lapis Lazuli

4.34 ct (total 8.68ctw)
10.1 x 10 mm
$ 13.02
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2 pcs
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Blue Lapis Lazuli Gem - 4.6ct Cushion Cabochon (ID: 503926)

Cushion Blue Lapis Lazuli

4.64 ct (total 9.27ctw)
11.2 x 9.2 mm
$ 14.83
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2 pcs
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Blue Lapis Lazuli Gem - 4.4ct Cushion Cabochon (ID: 503916)

Cushion Blue Lapis Lazuli

4.36 ct (total 8.71ctw)
11.1 x 9.2 mm
$ 13.94
Item in Stock
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Blue Gemstones
Blue sapphire is probably the best-known and most valuable blue gemstone, but it is not the only choice. Shop from our extensive collection of blue gemstones, including blue sapphire, tanzanite, blue tourmaline, fluorite, blue zircon, iolite, lapis lazuli, turquoise, sky blue, Swiss blue and London blue topaz, and many more. Choose from various sizes, cuts, shapes and shades of blue. Blue gemstones are ideal for both men and women's jewelry designs and both fine and tribal style jewelry. From this page, you can filter the results further by using the left-hand menu. For instance, you can shop by gem type, shape or cutting style. Using the check boxes at the top, results can be narrowed even further by singles, lots, faceted or cabochon gems. By using the top menu, you can search by origin, carat weight, size, price and other factors, to enable you to find the exact gemstone that you are looking for. All items are in stock and ready to ship.
Certified Customer Reviews
Overall Rating -> 9 star ratings
Great selection. Love the many learning features like articles and gem information. Prices competitive for natural stones. I do miss not having a selection of lab-made stones, CZ’s, etc, which are useful when price and cost are factors.
Posted By Dirk in January, 2019
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Overall Rating -> 9 star ratings
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Posted By BO in January, 2019
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Overall Rating -> 10 star ratings
As Always never disappointed in any gemstone I purchase from this site. I have never had a problem. Thank-You Gemselect for offering such a comprehensive variety . I will continue to order from this site.
Posted By Brian in January, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to find what i'm looking for on website, very clear, like photos
Posted By Lifter in January, 2019
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Overall Rating -> 10 star ratings
Better than what I expected. Beautifully cut gem!
Posted By in January, 2019
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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

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

Note: 1ct = 0.2g

Size Comparison Chart