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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (324): Round Shape 10 mm Gems Clear All
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ID: 4230816 pcs
thumb image of 45ct Drilled Sphere Brown Smoky Quartz (ID: 423081)
44.98 ct Smoky Quartz
10.2 mm
$ 65.22
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ID: 4084801 pcs
thumb image of 4ct Round Petal Cut White Quartz (ID: 408480)
4.01 ct Quartz
9.9 mm
$ 6.22
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ID: 3971071 pcs
thumb image of 4.9ct Round Facet White Topaz (ID: 397107)
4.92 ct Topaz
10.2 mm
$ 20.91
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ID: 4230766 pcs
thumb image of 44.7ct Drilled Sphere Brown Smoky Quartz (ID: 423076)
44.74 ct Smoky Quartz
10.3 mm
$ 64.87
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ID: 4269252 pcs
thumb image of 8.6ct Round Rose-Cut Black Spinel (ID: 426925)
8.55 ct Spinel
10.1 mm
$ 29.93
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ID: 3283641 pcs
thumb image of 4.7ct Round Cabochon Multicolor Ruby-Zoisite (ID: 328364)
4.73 ct Ruby-Zoisite
9.7 mm
$ 10.84
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ID: 3970601 pcs
thumb image of 5ct Round Facet White Topaz (ID: 397060)
4.99 ct Topaz
9.9 mm
$ 21.21
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ID: 3890941 pcs
thumb image of 4.2ct Round Facet White Topaz (ID: 389094)
4.20 ct Topaz
9.9 mm
$ 21.00
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ID: 4463601 pcs
thumb image of 3.3ct Round Facet Brown Smoky Quartz (ID: 446360)
3.30 ct Smoky Quartz
10.1 mm
$ 6.60
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ID: 4230475 pcs
thumb image of 35.5ct Drilled Sphere Multicolor Tiger's Eye Matrix (ID: 423047)
35.47 ct Tiger's Eye Matrix
9.9 mm
$ 28.38
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ID: 4265552 pcs
thumb image of 9.1ct Round Rose-Cut Black Spinel (ID: 426555)
9.09 ct Spinel
9.8 mm
$ 31.82
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ID: 4464991 pcs
thumb image of 3ct Round Facet Brown Smoky Quartz (ID: 446499)
3.04 ct Smoky Quartz
9.8 mm
$ 6.08
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ID: 3744012 pcs
thumb image of 8.5ct Round Cabochon White Quartz Cat's Eye (ID: 374401)
8.46 ct Quartz Cat's Eye
10.2 mm
$ 33.84
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ID: 4264572 pcs
thumb image of 9.2ct Round Rose-Cut Black Spinel (ID: 426457)
9.22 ct Spinel
10.2 mm
$ 32.27
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ID: 2599724 pcs
thumb image of 19.6ct Round Rose-Cut Black Spinel (ID: 259972)
19.58 ct Spinel
10.1 mm
$ 117.48
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ID: 3890981 pcs
thumb image of 4.4ct Round Facet White Topaz (ID: 389098)
4.44 ct Topaz
10.2 mm
$ 22.20
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ID: 4226601 pcs
thumb image of 4.2ct Round Facet White Topaz (ID: 422660)
4.23 ct Topaz
9.8 mm
$ 21.15
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ID: 4111191 pcs
thumb image of 4.5ct Round Cabochon Violet Amethyst (ID: 411119)
4.52 ct Amethyst
10.1 mm
$ 22.60
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ID: 4487181 pcs
thumb image of 2.8ct Round Cabochon Colorless Golden Rutile Quartz (ID: 448718)
2.84 ct Rutile Quartz
9.9 mm
$ 7.10
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ID: 4267922 pcs
thumb image of 7.5ct Round Rose-Cut Black Spinel (ID: 426792)
7.45 ct Spinel
9.7 mm
$ 26.08
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ID: 4231045 pcs
thumb image of 37.1ct Drilled Sphere Red Brown Rutile Quartz (ID: 423104)
37.07 ct Rutile Quartz
10.2 mm
$ 37.07
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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