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You Selected (104): Square Shape 4x4 mm Gems Clear All
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ID: 4121484 pcs
thumb image of 1.5ct Princess-Cut Purple Pink Sapphire (ID: 412148)
1.54ct Sapphire
3.88 x 3.86 x 2.66mm
USD 69.30
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ID: 2616631 pcs
thumb image of 0.4ct Square Facet Green Sphene (ID: 261663)
0.41ct Sphene
4.08 x 4.05 x 2.70mm
USD 11.69
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ID: 2616651 pcs
thumb image of 0.5ct Square Facet Golden Green Sphene (ID: 261665)
0.45ct Sphene
3.85 x 3.85 x 3.29mm
USD 12.83
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ID: 34202410 pcs
thumb image of 3.9ct Square Facet White Topaz (ID: 342024)
3.91ct Topaz
3.93 x 3.88 x 2.71mm
USD 28.74
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ID: 34203610 pcs
thumb image of 4ct Square Facet White Topaz (ID: 342036)
3.99ct Topaz
3.92 x 3.89 x 2.69mm
USD 27.93
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ID: 34203310 pcs
thumb image of 3.8ct Square Facet White Topaz (ID: 342033)
3.84ct Topaz
4.12 x 4.06 x 2.62mm
USD 28.22
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ID: 34204210 pcs
thumb image of 4.2ct Square Facet White Topaz (ID: 342042)
4.17ct Topaz
4.03 x 3.98 x 2.13mm
USD 29.19
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ID: 35706110 pcs
thumb image of 3.9ct Square Facet Yellow Golden Sapphire (ID: 357061)
3.85ct Sapphire
3.92 x 3.89 x 2.37mm
USD 115.50
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ID: 34865510 pcs
thumb image of 4.4ct Square Facet White Topaz (ID: 348655)
4.36ct Topaz
4.01 x 3.96 x 3.04mm
USD 30.52
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ID: 34189510 pcs
thumb image of 4.2ct Square Facet White Topaz (ID: 341895)
4.17ct Topaz
4.03 x 4.00 x 2.74mm
USD 30.65
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ID: 34169210 pcs
thumb image of 3.9ct Square Facet White Topaz (ID: 341692)
3.88ct Topaz
4.10 x 4.05 x 2.61mm
USD 29.88
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ID: 3591345 pcs
thumb image of 1.9ct Square Facet Yellow Golden Sapphire (ID: 359134)
1.86ct Sapphire
3.95 x 3.89 x 2.18mm
USD 54.67
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ID: 34189310 pcs
thumb image of 4.1ct Square Facet White Topaz (ID: 341893)
4.12ct Topaz
4.10 x 4.08 x 2.66mm
USD 30.28
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ID: 34204410 pcs
thumb image of 3.8ct Square Facet White Topaz (ID: 342044)
3.82ct Topaz
4.05 x 4.04 x 2.39mm
USD 26.74
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ID: 3589513 pcs
thumb image of 1.8ct Square Facet Yellow Golden Sapphire (ID: 358951)
1.75ct Sapphire
4.16 x 4.14 x 3.04mm
USD 51.43
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ID: 3811164 pcs
thumb image of 1.7ct Square Facet Orange Hessonite Garnet (ID: 381116)
1.65ct Hessonite Garnet
3.87 x 3.84 x 2.72mm
USD 32.04
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ID: 34169310 pcs
thumb image of 3.9ct Square Facet White Topaz (ID: 341693)
3.86ct Topaz
4.04 x 4.02 x 2.55mm
USD 28.37
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ID: 34866210 pcs
thumb image of 4.1ct Square Facet White Topaz (ID: 348662)
4.13ct Topaz
3.97 x 3.93 x 2.85mm
USD 28.91
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ID: 3667264 pcs
thumb image of 1.7ct Princess-Cut Multicolor Sapphire (ID: 366726)
1.66ct Sapphire
3.97 x 3.96 x 2.66mm
USD 126.38
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ID: 34197510 pcs
thumb image of 4.3ct Square Facet White Topaz (ID: 341975)
4.28ct Topaz
4.08 x 3.99 x 2.72mm
USD 31.46
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ID: 34196410 pcs
thumb image of 4ct Square Facet White Topaz (ID: 341964)
4.00ct Topaz
4.00 x 3.96 x 2.58mm
USD 29.40
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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