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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (66): Square Shape 4x4 mm Gems Clear All
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ID: 34169710 pcs
thumb image of 4.4ct Square Facet White Topaz (ID: 341697)
4.41 ct Topaz
4 x 3.9 mm
$ 32.41
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ID: 34865510 pcs
thumb image of 4.4ct Square Facet White Topaz (ID: 348655)
4.36 ct Topaz
4 x 4 mm
$ 30.52
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ID: 34197410 pcs
thumb image of 3.9ct Square Facet White Topaz (ID: 341974)
3.86 ct Topaz
4 x 3.9 mm
$ 28.37
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ID: 34197510 pcs
thumb image of 4.3ct Square Facet White Topaz (ID: 341975)
4.28 ct Topaz
4.1 x 4 mm
$ 31.46
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ID: 34197010 pcs
thumb image of 4.7ct Square Facet White Topaz (ID: 341970)
4.67 ct Topaz
4.1 x 4 mm
$ 34.32
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ID: 34204210 pcs
thumb image of 4.2ct Square Facet White Topaz (ID: 342042)
4.17 ct Topaz
4 x 4 mm
$ 29.19
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ID: 34189710 pcs
thumb image of 4.7ct Square Facet White Topaz (ID: 341897)
4.68 ct Topaz
4 x 4 mm
$ 34.40
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ID: 4117544 pcs
thumb image of 1.7ct Princess-Cut Multicolor Sapphire (ID: 411754)
1.65 ct Sapphire
4 x 3.9 mm
$ 66.00
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ID: 3485598 pcs
thumb image of 3.3ct Square Facet White Topaz (ID: 348559)
3.25 ct Topaz
4 x 3.9 mm
$ 22.75
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ID: 35706310 pcs
thumb image of 4.4ct Square Facet Yellow Golden Sapphire (ID: 357063)
4.37 ct Sapphire
4 x 4 mm
$ 131.10
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ID: 34169310 pcs
thumb image of 3.9ct Square Facet White Topaz (ID: 341693)
3.86 ct Topaz
4 x 4 mm
$ 28.37
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ID: 34187310 pcs
thumb image of 3.8ct Square Facet White Topaz (ID: 341873)
3.78 ct Topaz
4.1 x 4 mm
$ 27.78
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ID: 34189310 pcs
thumb image of 4.1ct Square Facet White Topaz (ID: 341893)
4.12 ct Topaz
4.1 x 4.1 mm
$ 30.28
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ID: 4117584 pcs
thumb image of 1.6ct Princess-Cut Multicolor Sapphire (ID: 411758)
1.57 ct Sapphire
4 x 3.9 mm
$ 62.80
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ID: 34187810 pcs
thumb image of 5.1ct Square Facet White Topaz (ID: 341878)
5.06 ct Topaz
4 x 4 mm
$ 35.42
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ID: 35183510 pcs
thumb image of 3.5ct Square Facet Bluish White Rainbow Moonstone (ID: 351835)
3.53 ct Rainbow Moonstone
4.1 x 4 mm
$ 70.60
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ID: 34204510 pcs
thumb image of 4.1ct Square Facet White Topaz (ID: 342045)
4.09 ct Topaz
4 x 4 mm
$ 28.63
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ID: 34190210 pcs
thumb image of 4.6ct Square Facet White Topaz (ID: 341902)
4.57 ct Topaz
4.1 x 4 mm
$ 33.59
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ID: 34866210 pcs
thumb image of 4.1ct Square Facet White Topaz (ID: 348662)
4.13 ct Topaz
4 x 3.9 mm
$ 28.91
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ID: 34189610 pcs
thumb image of 4.2ct Square Facet White Topaz (ID: 341896)
4.22 ct Topaz
4 x 3.9 mm
$ 31.02
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ID: 34204410 pcs
thumb image of 3.8ct Square Facet White Topaz (ID: 342044)
3.82 ct Topaz
4.1 x 4 mm
$ 26.74
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Square Shape 4x4 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 4 mm x 4 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