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You Selected (284): Oval Shape 12x10 mm Gems Clear All
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ID: 4361432 pcs
thumb image of 9.2ct Oval Cabochon Brownish Red Carnelian (ID: 436143)
9.20ct Carnelian
12.08 x 9.97 x 5.49mm
USD 36.80
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ID: 4106552 pcs
thumb image of 8.5ct Oval Cabochon Violet Amethyst (ID: 410655)
8.46ct Amethyst
11.92 x 9.87 x 5.20mm
USD 42.30
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ID: 4357711 pcs
thumb image of 5.1ct Oval Facet Violet Amethyst (ID: 435771)
5.05ct Amethyst
11.77 x 9.68 x 7.73mm
USD 25.25
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ID: 4183761 pcs
thumb image of 5.7ct Oval Cabochon Cream Star Moonstone (ID: 418376)
5.67ct Star Moonstone
12.30 x 10.38 x 6.22mm
USD 22.68
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ID: 4459601 pcs
thumb image of 6ct Oval Cabochon Peach Orange Moonstone (ID: 445960)
6.02ct Moonstone
12.14 x 10.09 x 6.80mm
USD 12.10
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ID: 4051821 pcs
thumb image of 4.9ct Oval Cabochon Violet Amethyst (ID: 405182)
4.93ct Amethyst
12.31 x 10.10 x 5.08mm
USD 26.33
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ID: 4259431 pcs
thumb image of 5.6ct Oval Facet White Topaz (ID: 425943)
5.64ct Topaz
12.01 x 9.84 x 6.43mm
USD 33.84
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ID: 4362401 pcs
thumb image of 4.7ct Oval Cabochon Brownish Red Carnelian (ID: 436240)
4.72ct Carnelian
12.02 x 10.02 x 5.47mm
USD 18.88
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ID: 4226931 pcs
thumb image of 4.9ct Oval Facet Yellow Golden Golden Beryl (ID: 422693)
4.89ct Golden Beryl
12.31 x 10.12 x 6.46mm
USD 122.25
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ID: 3870731 pcs
thumb image of 5.6ct Oval Facet White Topaz (ID: 387073)
5.63ct Topaz
11.87 x 9.90 x 6.57mm
USD 33.78
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ID: 3501091 pcs
thumb image of 3.8ct Oval Facet Green Agate (ID: 350109)
3.75ct Agate
12.06 x 9.98 x 5.59mm
USD 7.50
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ID: 4209571 pcs
thumb image of 8.2ct Oval Cabochon Cream Star Moonstone (ID: 420957)
8.24ct Star Moonstone
12.22 x 10.24 x 8.30mm
USD 24.72
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ID: 4354781 pcs
thumb image of 4.5ct Oval Facet Violet Amethyst (ID: 435478)
4.45ct Amethyst
12.14 x 10.13 x 6.35mm
USD 22.25
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ID: 4140851 pcs
thumb image of 6.9ct Oval Cabochon Cream Peach Star Moonstone (ID: 414085)
6.89ct Star Moonstone
12.32 x 10.14 x 7.37mm
USD 27.56
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ID: 4192251 pcs
thumb image of 6.2ct Oval Cabochon Golden Green Cat's Eye Apatite (ID: 419225)
6.23ct Cat's Eye Apatite
12.01 x 9.68 x 5.95mm
USD 62.30
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ID: 4077541 pcs
thumb image of 4.1ct Oval Facet Golden Green Apatite (ID: 407754)
4.14ct Apatite
12.02 x 9.78 x 5.06mm
USD 172.02
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ID: 4106612 pcs
thumb image of 8.9ct Oval Cabochon Violet Amethyst (ID: 410661)
8.87ct Amethyst
12.15 x 10.20 x 5.36mm
USD 44.35
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ID: 4286061 pcs
thumb image of 4.7ct Oval Cabochon Orange Hessonite Garnet (ID: 428606)
4.70ct Hessonite Garnet
12.19 x 9.95 x 3.84mm
USD 23.50
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ID: 3870461 pcs
thumb image of 5.1ct Oval Cabochon Lavender Jadeite (ID: 387046)
5.13ct Jadeite
11.67 x 9.81 x 5.33mm
USD 25.65
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ID: 3501041 pcs
thumb image of 3.8ct Oval Facet Green Agate (ID: 350104)
3.80ct Agate
12.13 x 9.98 x 5.27mm
USD 7.60
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ID: 4220381 pcs
thumb image of 6.7ct Oval Facet White Topaz (ID: 422038)
6.68ct Topaz
12.11 x 10.11 x 6.87mm
USD 33.40
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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