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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (260): Oval Shape 12x10 mm Gems Clear All
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ID: 2173041 pcs
4.45ct Prehnite
11.57mm x 9.61mm x 7.26mm
USD 20.88
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ID: 4286061 pcs
4.70ct Hessonite Garnet
12.19mm x 9.95mm x 3.84mm
USD 23.50
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ID: 4106622 pcs
8.64ctw Amethyst
11.92mm x 9.74mm x 5.34mm
USD 43.20
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ID: 4106662 pcs
10.37ctw Amethyst
12.25mm x 10.25mm x 5.66mm
USD 51.85
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ID: 3501041 pcs
3.80ct Agate
12.13mm x 9.98mm x 5.27mm
USD 7.60
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ID: 4108281 pcs
4.76ct Amethyst
11.92mm x 9.87mm x 5.92mm
USD 23.80
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ID: 4259511 pcs
5.81ct Topaz
12.09mm x 10.07mm x 6.46mm
USD 34.86
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ID: 4226921 pcs
3.88ct Golden Beryl
12.23mm x 9.94mm x 5.73mm
USD 97.00
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ID: 3792771 pcs
6.22ct Peridot
12.39mm x 9.74mm x 6.96mm
USD 398.08
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ID: 4343241 pcs
4.62ct Jadeite
11.92mm x 9.92mm x 4.26mm
USD 14.14
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ID: 4258761 pcs
4.45ct Topaz
12.04mm x 9.95mm x 6.44mm
USD 26.70
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ID: 4051821 pcs
4.93ct Amethyst
12.31mm x 10.10mm x 5.08mm
USD 26.33
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ID: 4140911 pcs
6.00ct Star Moonstone
11.85mm x 9.82mm x 6.83mm
USD 24.00
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ID: 4140041 pcs
4.90ct Star Moonstone
11.93mm x 9.62mm x 5.81mm
USD 19.60
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ID: 4280582 pcs
12.30ctw Hessonite Garnet
12.09mm x 9.85mm x 5.15mm
USD 61.50
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ID: 3884491 pcs
7.53ct Star Sapphire
12.46mm x 9.78mm x 5.05mm
USD 122.29
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ID: 4108261 pcs
3.78ct Amethyst
11.85mm x 9.96mm x 4.72mm
USD 18.90
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ID: 3763861 pcs
4.94ct Andesine Labradorite
12.12mm x 9.67mm x 7.63mm
USD 49.40
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ID: 4108331 pcs
3.53ct Amethyst
12.07mm x 9.96mm x 4.13mm
USD 17.65
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ID: 3910651 pcs
4.83ct Apatite
12.00mm x 10.27mm x 6.11mm
USD 236.38
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ID: 4258701 pcs
5.51ct Topaz
12.09mm x 9.84mm x 6.39mm
USD 33.06
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Oval Shape 12x10 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 oval shapes, facet cut and cabochon gems available now in 12 x 10 mm 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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