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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (399): Round Shape 10 mm Gems Clear All
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ID: 4010431 pcs
4.39ct Smoky Quartz
9.96 x 8.16mm
USD 10.98
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ID: 3903292 pcs
7.63ctw Tiger's Eye
10.07 x 5.13mm
USD 15.26
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ID: 3843102 pcs
9.54ctw Spinel
10.12 x 4.78mm
USD 28.62
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ID: 4265052 pcs
8.24ctw Spinel
9.84 x 4.57mm
USD 28.84
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ID: 3967991 pcs
4.57ct Topaz
9.66 x 6.68mm
USD 19.42
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ID: 3971051 pcs
4.96ct Topaz
10.14 x 6.75mm
USD 21.08
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ID: 4265612 pcs
9.64ctw Spinel
10.23 x 4.56mm
USD 33.74
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ID: 4173822 pcs
7.07ctw Quartz
10.00 x 6.74mm
USD 14.14
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ID: 4244601 pcs
6.02ct Cat's Eye Apatite
9.91 x 6.85mm
USD 60.20
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ID: 3217034 pcs
26.97ctw Smoky Quartz
10.02mm
USD 28.32
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ID: 3970591 pcs
4.36ct Topaz
9.60 x 6.82mm
USD 18.53
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ID: 4146831 pcs
4.30ct Rose Quartz
10.15 x 8.01mm
USD 21.50
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ID: 4265112 pcs
8.86ctw Spinel
10.10 x 4.39mm
USD 31.01
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ID: 4267992 pcs
7.87ctw Spinel
10.14 x 4.12mm
USD 27.54
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ID: 3839732 pcs
8.79ctw Spinel
10.10 x 4.27mm
USD 26.37
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ID: 4225811 pcs
5.50ct Topaz
10.38 x 7.18mm
USD 27.50
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ID: 3966401 pcs
4.89ct Topaz
10.00 x 7.12mm
USD 20.78
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ID: 4187021 pcs
5.03ct Star Moonstone
10.14 x 6.70mm
USD 20.12
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ID: 4350181 pcs
6.51ct Rutile Quartz
9.67mm
USD 6.51
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ID: 4226601 pcs
4.23ct Topaz
9.78 x 6.46mm
USD 21.15
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ID: 3967241 pcs
4.74ct Topaz
9.86 x 6.86mm
USD 20.14
Item in Stock
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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