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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (65): Square Shape 6x6 mm Gems Clear All
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ID: 4579042 pcs
thumb image of 1.9ct Square Step-Cut Violet Amethyst (ID: 457904)
1.88 ct Amethyst
6 x 6 mm
$ 13.16
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ID: 4580782 pcs
thumb image of 2ct Square Step-Cut Violet Amethyst (ID: 458078)
2.04 ct Amethyst
6.1 x 6 mm
$ 14.28
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ID: 4580802 pcs
thumb image of 1.8ct Square Step-Cut Violet Amethyst (ID: 458080)
1.80 ct Amethyst
6.1 x 6 mm
$ 12.60
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ID: 4638411 pcs
thumb image of 0.9ct Square Step-Cut Violet Amethyst (ID: 463841)
0.94 ct Amethyst
6 x 5.9 mm
$ 6.11
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ID: 4638381 pcs
thumb image of 1ct Square Step-Cut Violet Amethyst (ID: 463838)
0.96 ct Amethyst
6.1 x 6.1 mm
$ 6.24
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ID: 4638441 pcs
thumb image of 1ct Square Step-Cut Violet Amethyst (ID: 463844)
0.96 ct Amethyst
6.1 x 6 mm
$ 6.24
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ID: 4638331 pcs
thumb image of 1ct Square Step-Cut Violet Amethyst (ID: 463833)
0.97 ct Amethyst
6 x 6 mm
$ 6.31
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ID: 4638421 pcs
thumb image of 1ct Square Step-Cut Violet Amethyst (ID: 463842)
0.97 ct Amethyst
6 x 6 mm
$ 6.31
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ID: 4578962 pcs
thumb image of 2ct Square Step-Cut Violet Amethyst (ID: 457896)
2.04 ct Amethyst
6 x 6 mm
$ 14.28
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ID: 4579474 pcs
thumb image of 3.7ct Square Step-Cut Violet Amethyst (ID: 457947)
3.72 ct Amethyst
6 x 6 mm
$ 26.04
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ID: 3716386 pcs
thumb image of 6.6ct Square Facet Yellow Golden Citrine (ID: 371638)
6.59 ct Citrine
6.1 x 6.1 mm
$ 32.95
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ID: 3925762 pcs
thumb image of 2.9ct Square Facet Cinnamon Orange Hessonite Garnet (ID: 392576)
2.93 ct Hessonite Garnet
6 x 6 mm
$ 58.60
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ID: 3928322 pcs
thumb image of 2.6ct Square Facet Cinnamon Orange Hessonite Garnet (ID: 392832)
2.57 ct Hessonite Garnet
5.9 x 5.9 mm
$ 51.40
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ID: 3929092 pcs
thumb image of 2.3ct Square Facet Cinnamon Orange Hessonite Garnet (ID: 392909)
2.28 ct Hessonite Garnet
6 x 5.9 mm
$ 45.60
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ID: 4579052 pcs
thumb image of 2.1ct Square Step-Cut Violet Amethyst (ID: 457905)
2.06 ct Amethyst
6 x 5.9 mm
$ 14.42
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ID: 4581193 pcs
thumb image of 3.1ct Square Step-Cut Violet Amethyst (ID: 458119)
3.06 ct Amethyst
6.1 x 6 mm
$ 21.42
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ID: 4579484 pcs
thumb image of 3.9ct Square Step-Cut Violet Amethyst (ID: 457948)
3.88 ct Amethyst
6 x 6 mm
$ 27.16
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ID: 4579504 pcs
thumb image of 3.7ct Square Step-Cut Violet Amethyst (ID: 457950)
3.74 ct Amethyst
6 x 5.9 mm
$ 26.18
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ID: 4580842 pcs
thumb image of 2ct Square Step-Cut Violet Amethyst (ID: 458084)
2.00 ct Amethyst
6 x 6 mm
$ 14.00
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ID: 4579464 pcs
thumb image of 3.8ct Square Step-Cut Violet Amethyst (ID: 457946)
3.77 ct Amethyst
6 x 6 mm
$ 26.39
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ID: 4579494 pcs
thumb image of 3.5ct Square Step-Cut Violet Amethyst (ID: 457949)
3.53 ct Amethyst
6 x 6 mm
$ 24.71
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Square Shape 6x6 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Square shapes, facet cut and cabochon gems available now in 6 mm x 6 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not meant nor expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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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