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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (289): Oval Shape 12x10 mm Gems Clear All
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ID: 4361432 pcs
9.20ctw Carnelian
12.08mm x 9.97mm x 5.49mm
USD 36.80
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ID: 3341301 pcs
6.46ct Cat's Eye Aquamarine
12.04mm x 10.27mm x 7.41mm
USD 116.28
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ID: 4223481 pcs
6.84ct Topaz
12.07mm x 9.90mm x 7.79mm
USD 34.20
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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: 3693211 pcs
6.75ct Peridot
12.19mm x 9.99mm x 7.13mm
USD 434.84
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ID: 3695781 pcs
3.89ct Fire Opal
12.47mm x 10.06mm x 6.47mm
USD 126.15
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ID: 3694222 pcs
8.93ctw Charoite
12.16mm x 10.09mm x 4.64mm
USD 22.32
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ID: 4363331 pcs
4.31ct Carnelian
11.98mm x 10.01mm x 5.04mm
USD 17.24
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ID: 4105472 pcs
10.41ctw Amethyst
12.13mm x 9.99mm x 6.09mm
USD 52.05
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ID: 3792811 pcs
5.07ct Peridot
11.64mm x 9.68mm x 6.37mm
USD 324.48
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ID: 2172991 pcs
4.81ct Prehnite
11.95mm x 9.96mm x 7.09mm
USD 21.64
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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: 4187071 pcs
4.04ct Star Moonstone
12.10mm x 10.11mm x 4.77mm
USD 16.16
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ID: 4181041 pcs
6.35ct Star Moonstone
12.34mm x 9.67mm x 7.07mm
USD 25.40
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ID: 4282971 pcs
5.23ct Citrine
12.37mm x 9.67mm x 7.37mm
USD 31.38
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ID: 4220461 pcs
5.67ct Topaz
11.84mm x 9.73mm x 6.65mm
USD 28.35
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ID: 4106572 pcs
10.22ctw Amethyst
11.88mm x 9.94mm x 5.85mm
USD 51.10
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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: 3792761 pcs
6.67ct Peridot
12.22mm x 9.80mm x 7.74mm
USD 426.88
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ID: 4192251 pcs
6.23ct Cat's Eye Apatite
12.01mm x 9.68mm x 5.95mm
USD 62.30
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ID: 4182501 pcs
6.05ct Star Moonstone
12.22mm x 10.17mm x 6.68mm
USD 24.20
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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