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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (194): Oval Shape 12x10 mm Gems Clear All
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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: 2173231 pcs
thumb image of 4.8ct Oval Checkerboard Green Prehnite (ID: 217323)
4.81 ct Prehnite
11.8 x 9.8 mm
$ 21.64
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ID: 3844431 pcs
thumb image of 7.1ct Oval Cabochon Lavender Jadeite (ID: 384443)
7.09 ct Jadeite
12.1 x 10.3 mm
$ 49.63
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ID: 4586141 pcs
thumb image of 3.9ct Oval Cabochon Yellow Agate (ID: 458614)
3.86 ct Agate
11.8 x 9.8 mm
$ 5.79
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ID: 4605691 pcs
thumb image of 4.4ct Oval Cabochon White Moonstone (ID: 460569)
4.44 ct Moonstone
12.1 x 10.1 mm
$ 44.40
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ID: 3871301 pcs
thumb image of 5.7ct Oval Facet White Topaz (ID: 387130)
5.73 ct Topaz
12.2 x 10.1 mm
$ 34.38
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ID: 4108321 pcs
thumb image of 5.2ct Oval Cabochon Violet Amethyst (ID: 410832)
5.19 ct Amethyst
12.2 x 10.1 mm
$ 25.95
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ID: 4187291 pcs
thumb image of 7.4ct Oval Cabochon Cream Star Moonstone (ID: 418729)
7.38 ct Star Moonstone
11.9 x 10.2 mm
$ 29.52
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ID: 4105551 pcs
thumb image of 5.4ct Oval Cabochon Violet Amethyst (ID: 410555)
5.42 ct Amethyst
12.2 x 10 mm
$ 27.10
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ID: 3337492 pcs
thumb image of 10.9ct Oval Cabochon Colorless Golden Rutile Quartz (ID: 333749)
10.86 ct Rutile Quartz
11.9 x 9.9 mm
$ 38.01
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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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ID: 4108061 pcs
thumb image of 5.7ct Oval Cabochon Violet Amethyst (ID: 410806)
5.70 ct Amethyst
12.1 x 10.1 mm
$ 28.50
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ID: 4105502 pcs
thumb image of 11ct Oval Cabochon Violet Amethyst (ID: 410550)
10.98 ct Amethyst
12 x 10.1 mm
$ 54.90
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ID: 4587141 pcs
thumb image of 4.5ct Oval Cabochon Yellow Agate (ID: 458714)
4.50 ct Agate
11.9 x 10 mm
$ 6.75
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ID: 4459591 pcs
thumb image of 6.3ct Oval Cabochon Orange Cream Moonstone (ID: 445959)
6.30 ct Moonstone
12.1 x 10.2 mm
$ 12.66
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ID: 4077541 pcs
thumb image of 4.1ct Oval Facet Golden Yellow Apatite (ID: 407754)
4.14 ct Apatite
12 x 9.8 mm
$ 172.02
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ID: 4187501 pcs
thumb image of 7ct Oval Cabochon Cream Peach Star Moonstone (ID: 418750)
7.03 ct Star Moonstone
12 x 10.2 mm
$ 28.12
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ID: 4569621 pcs
thumb image of 4.4ct Oval Concave Cut Yellow Golden Citrine (ID: 456962)
4.35 ct Citrine
12.2 x 9.8 mm
$ 25.71
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ID: 4106582 pcs
thumb image of 9.2ct Oval Cabochon Violet Amethyst (ID: 410658)
9.17 ct Amethyst
12.1 x 9.8 mm
$ 45.85
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ID: 4398061 pcs
thumb image of 5.2ct Oval Facet Violet Amethyst (ID: 439806)
5.23 ct Amethyst
12.2 x 9.8 mm
$ 36.61
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ID: 4220931 pcs
thumb image of 6.8ct Oval Facet White Topaz (ID: 422093)
6.80 ct Topaz
12.1 x 10.2 mm
$ 34.00
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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