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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (424): Round Shape 10 mm Gems Clear All
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ID: 4175941 pcs
2.87ct Quartz
10.01mm x 4.94mm
USD 5.74
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ID: 4111181 pcs
3.98ct Amethyst
9.96mm x 5.30mm
USD 19.90
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ID: 4230945 pcs
34.94ctw Rutile Quartz
10.04mm
USD 50.66
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ID: 4225801 pcs
5.62ct Topaz
10.33mm x 7.31mm
USD 28.10
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ID: 4174111 pcs
3.87ct Quartz
10.17mm x 6.95mm
USD 7.74
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ID: 4351674 pcs
30.04ctw Carnelian
10.20mm
USD 30.04
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ID: 4109232 pcs
7.91ctw Amethyst
9.95mm x 5.41mm
USD 39.55
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ID: 4228771 pcs
4.55ct Topaz
9.90mm x 6.67mm
USD 22.75
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ID: 4353132 pcs
15.01ctw Rainbow Moonstone
10.14mm
USD 15.01
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ID: 4138701 pcs
4.44ct Topaz
10.07mm x 6.11mm
USD 52.61
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ID: 3217054 pcs
27.27ctw Smoky Quartz
10.02mm
USD 28.63
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ID: 3967991 pcs
4.57ct Topaz
9.66mm x 6.68mm
USD 19.42
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ID: 4110401 pcs
3.89ct Amethyst
9.92mm x 5.55mm
USD 19.45
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ID: 3849091 pcs
4.11ct Topaz
9.81mm x 6.13mm
USD 28.77
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ID: 4267082 pcs
9.58ctw Spinel
10.19mm x 4.75mm
USD 33.53
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ID: 4231012 pcs
15.50ctw Rutile Quartz
10.10mm
USD 22.48
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ID: 4182631 pcs
4.49ct Star Moonstone
10.28mm x 6.12mm
USD 17.96
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ID: 3843172 pcs
8.10ctw Spinel
10.12mm x 4.09mm
USD 24.30
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ID: 4230826 pcs
45.37ctw Smoky Quartz
10.24mm
USD 65.79
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ID: 3893972 pcs
7.68ctw Topaz
9.60mm x 5.75mm
USD 33.41
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ID: 3968051 pcs
4.85ct Topaz
10.08mm x 6.86mm
USD 20.61
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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