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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (408): Round Shape 10 mm Gems Clear All
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ID: 2599724 pcs
19.58ctw Spinel
10.14mm x 4.74mm
USD 117.48
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ID: 4110401 pcs
3.89ct Amethyst
9.92mm x 5.55mm
USD 19.45
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ID: 4045931 pcs
3.51ct Quartz
10.18mm x 7.39mm
USD 6.49
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ID: 4109221 pcs
3.55ct Amethyst
10.00mm x 5.08mm
USD 17.75
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ID: 3217294 pcs
27.96ctw Smoky Quartz
10.09mm
USD 24.96
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ID: 4244601 pcs
6.02ct Cat's Eye Apatite
9.91mm x 6.85mm
USD 60.20
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ID: 3342742 pcs
15.04ctw Pearl
10.13mm
USD 204.09
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ID: 4225601 pcs
4.48ct Topaz
9.98mm x 6.27mm
USD 22.40
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ID: 4225811 pcs
5.50ct Topaz
10.38mm x 7.18mm
USD 27.50
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ID: 4109302 pcs
6.37ctw Amethyst
9.76mm x 4.95mm
USD 31.85
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ID: 4269172 pcs
9.88ctw Spinel
10.18mm x 4.80mm
USD 34.58
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ID: 3743962 pcs
9.89ctw Quartz Cat's Eye
10.11mm x 6.89mm
USD 39.56
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ID: 3967981 pcs
4.34ct Topaz
9.99mm x 5.97mm
USD 18.44
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ID: 4230856 pcs
44.29ctw Smoky Quartz
10.26mm
USD 64.22
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ID: 4264562 pcs
9.78ctw Spinel
10.20mm x 4.68mm
USD 34.23
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ID: 3892891 pcs
5.19ct Topaz
10.32mm x 6.90mm
USD 22.58
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ID: 3786292 pcs
9.76ctw Spinel
10.17mm x 4.76mm
USD 29.28
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ID: 4256421 pcs
4.14ct Topaz
9.80mm x 6.08mm
USD 24.84
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ID: 4230836 pcs
44.95ctw Smoky Quartz
10.25mm
USD 65.18
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ID: 4146891 pcs
3.63ct Rose Quartz
9.92mm x 7.71mm
USD 18.15
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ID: 3514562 pcs
9.79ctw Quartz Cat's Eye
9.80mm x 6.74mm
USD 39.16
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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