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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (190): Oval Shape 12x10 mm Gems Clear All
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ID: 3338051 pcs
thumb image of 5ct Oval Cabochon Colorless Golden Rutile Quartz (ID: 333805)
5.04 ct Rutile Quartz
11.9 x 9.8 mm
$ 17.64
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ID: 4106642 pcs
thumb image of 8.2ct Oval Cabochon Violet Amethyst (ID: 410664)
8.18 ct Amethyst
12.1 x 9.9 mm
$ 40.90
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ID: 4605681 pcs
thumb image of 5.2ct Oval Cabochon White Moonstone (ID: 460568)
5.21 ct Moonstone
12.2 x 10.2 mm
$ 52.10
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ID: 4108021 pcs
thumb image of 3.6ct Oval Cabochon Violet Amethyst (ID: 410802)
3.56 ct Amethyst
12.1 x 10 mm
$ 17.80
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ID: 4106612 pcs
thumb image of 8.9ct Oval Cabochon Violet Amethyst (ID: 410661)
8.87 ct Amethyst
12.2 x 10.2 mm
$ 44.35
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ID: 4105492 pcs
thumb image of 11.2ct Oval Cabochon Violet Amethyst (ID: 410549)
11.17 ct Amethyst
12.2 x 10.1 mm
$ 55.85
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ID: 4675251 pcs
thumb image of 5ct Oval Cabochon Yellow Agate (ID: 467525)
5.00 ct Agate
11.9 x 10.2 mm
$ 10.00
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ID: 3872881 pcs
thumb image of 6.7ct Oval Facet White Topaz (ID: 387288)
6.66 ct Topaz
12.1 x 10.2 mm
$ 39.96
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ID: 4284681 pcs
thumb image of 6.2ct Oval Cabochon Orange Hessonite Garnet (ID: 428468)
6.15 ct Hessonite Garnet
12 x 10 mm
$ 30.75
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ID: 4259431 pcs
thumb image of 5.6ct Oval Facet White Topaz (ID: 425943)
5.64 ct Topaz
12 x 9.8 mm
$ 33.84
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ID: 4106632 pcs
thumb image of 10.1ct Oval Cabochon Violet Amethyst (ID: 410663)
10.12 ct Amethyst
12.2 x 9.9 mm
$ 50.60
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ID: 4107631 pcs
thumb image of 4.7ct Oval Cabochon Violet Amethyst (ID: 410763)
4.67 ct Amethyst
12.2 x 10.2 mm
$ 23.35
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ID: 4258691 pcs
thumb image of 5.1ct Oval Facet White Topaz (ID: 425869)
5.09 ct Topaz
12 x 9.9 mm
$ 30.54
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ID: 4220901 pcs
thumb image of 6.6ct Oval Facet White Topaz (ID: 422090)
6.60 ct Topaz
12.1 x 10.1 mm
$ 33.00
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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