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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (378): Round Shape 10 mm Gems Clear All
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ID: 3903842 pcs
thumb image of 7.7ct Round Cabochon Gold Brown Tiger's Eye (ID: 390384)
7.67ct Tiger's Eye
10.10 x 5.07mm
USD 15.34
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ID: 3786282 pcs
thumb image of 7.7ct Round Rose-Cut Black Spinel (ID: 378628)
7.65ct Spinel
10.08 x 4.02mm
USD 22.95
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ID: 4230816 pcs
thumb image of 45ct Drilled Sphere Brown Smoky Quartz (ID: 423081)
44.98ct Smoky Quartz
10.22mm
USD 65.22
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ID: 3968061 pcs
thumb image of 4.5ct Round Facet White Topaz (ID: 396806)
4.45ct Topaz
9.90 x 6.49mm
USD 18.91
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ID: 4351164 pcs
thumb image of 26.8ct Drilled Sphere Blue White Rainbow Moonstone (ID: 435116)
26.75ct Rainbow Moonstone
10.17mm
USD 26.75
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ID: 4101211 pcs
thumb image of 4.8ct Round Facet White Topaz (ID: 410121)
4.80ct Topaz
9.90 x 6.52mm
USD 20.40
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ID: 4209411 pcs
thumb image of 4ct Round Cabochon Cream Star Moonstone (ID: 420941)
4.01ct Star Moonstone
10.04 x 5.31mm
USD 12.03
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ID: 4348664 pcs
thumb image of 28.8ct Drilled Sphere Brownish Red Carnelian (ID: 434866)
28.75ct Carnelian
10.13mm
USD 28.75
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ID: 4110301 pcs
thumb image of 4.3ct Round Cabochon Violet Amethyst (ID: 411030)
4.30ct Amethyst
10.09 x 5.70mm
USD 21.50
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ID: 3967241 pcs
thumb image of 4.7ct Round Facet White Topaz (ID: 396724)
4.74ct Topaz
9.86 x 6.86mm
USD 20.14
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ID: 4319221 pcs
thumb image of 3.8ct Round Petal Cut Brown Smoky Quartz (ID: 431922)
3.82ct Smoky Quartz
9.92 x 7.55mm
USD 6.49
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ID: 4268032 pcs
thumb image of 9.4ct Round Rose-Cut Black Spinel (ID: 426803)
9.40ct Spinel
10.25 x 4.78mm
USD 32.90
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ID: 4146611 pcs
thumb image of 3.6ct Round Petal Cut Pink Rose Quartz (ID: 414661)
3.62ct Rose Quartz
9.63 x 7.65mm
USD 18.10
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ID: 3843082 pcs
thumb image of 8.4ct Round Rose-Cut Black Spinel (ID: 384308)
8.40ct Spinel
10.10 x 4.14mm
USD 25.20
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ID: 4230715 pcs
thumb image of 35.1ct Drilled Sphere Violet Amethyst (ID: 423071)
35.07ct Amethyst
9.87mm
USD 50.85
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ID: 4225591 pcs
thumb image of 4.8ct Round Facet White Topaz (ID: 422559)
4.79ct Topaz
10.18 x 6.45mm
USD 23.95
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ID: 4265562 pcs
thumb image of 8.9ct Round Rose-Cut Black Spinel (ID: 426556)
8.93ct Spinel
10.16 x 4.50mm
USD 31.26
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ID: 2956581 pcs
thumb image of 3.8ct Round Cabochon Multicolor Ruby-Zoisite (ID: 295658)
3.81ct Ruby-Zoisite
9.78 x 4.34mm
USD 10.48
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ID: 4225811 pcs
thumb image of 5.5ct Round Facet White Topaz (ID: 422581)
5.50ct Topaz
10.38 x 7.18mm
USD 27.50
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ID: 3786352 pcs
thumb image of 8.1ct Round Rose-Cut Black Spinel (ID: 378635)
8.07ct Spinel
10.12 x 4.03mm
USD 24.21
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ID: 3217054 pcs
thumb image of 27.3ct Half-Drilled Sphere Smoky Brown Smoky Quartz (ID: 321705)
27.27ct Smoky Quartz
10.02mm
USD 28.63
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Round Shape 10 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 Round shapes, facet cut and cabochon gems available now in 10 mm diameter 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 usually 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