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You Selected (138): Oval Shape 16x12 mm Gems Clear All
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ID: 3841932 pcs
thumb image of 20ct Oval Rose-Cut Black Spinel (ID: 384193)
20.00 ct Spinel
15.9 x 12 mm
$ 60.00
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ID: 4717751 pcs
thumb image of 5.9ct Oval Cabochon Multicolor Black Opal (ID: 471775)
5.85 ct Black Opal
16.3 x 12 mm
$ 146.25
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ID: 4031961 pcs
thumb image of 13.8ct Oval Cabochon Cream Star Moonstone (ID: 403196)
13.75 ct Star Moonstone
15.9 x 11.8 mm
$ 48.54
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ID: 4243251 pcs
thumb image of 14.1ct Oval Cabochon Red Orange Spessartite Garnet (ID: 424325)
14.06 ct Spessartite Garnet
15.9 x 11.8 mm
$ 366.12
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ID: 3845582 pcs
thumb image of 21.7ct Oval Rose-Cut Black Spinel (ID: 384558)
21.70 ct Spinel
16 x 12.1 mm
$ 65.10
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ID: 4734151 pcs
thumb image of 11.9ct Oval Facet Gray Blue Sheen Labradorite (ID: 473415)
11.94 ct Labradorite
16.2 x 12.2 mm
$ 23.88
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ID: 4830341 pcs
thumb image of 11.1ct Oval Concave Cut Purplish Pink Mystic Topaz (ID: 483034)
11.07 ct Mystic Topaz
16 x 12.2 mm
$ 88.56
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ID: 4143831 pcs
thumb image of 9.3ct Oval Cabochon Light Blue Aquamarine (ID: 414383)
9.33 ct Aquamarine
16.3 x 12.1 mm
$ 74.64
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ID: 4266222 pcs
thumb image of 19.4ct Oval Rose-Cut Black Spinel (ID: 426622)
19.41 ct Spinel
15.9 x 12.1 mm
$ 67.94
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ID: 4830291 pcs
thumb image of 11ct Oval Concave Cut Purplish Pink Mystic Topaz (ID: 483029)
11.01 ct Mystic Topaz
16.1 x 12.2 mm
$ 88.08
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ID: 4830421 pcs
thumb image of 11ct Oval Concave Cut Purplish Pink Mystic Topaz (ID: 483042)
10.96 ct Mystic Topaz
16.1 x 12.2 mm
$ 87.68
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ID: 3842912 pcs
thumb image of 20.6ct Oval Rose-Cut Black Spinel (ID: 384291)
20.64 ct Spinel
16.1 x 12 mm
$ 61.92
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ID: 4852701 pcs
thumb image of 16.9ct Oval Cabochon Blue Lapis Lazuli (ID: 485270)
16.94 ct Lapis Lazuli
15.9 x 12.1 mm
$ 16.94
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ID: 4846122 pcs
thumb image of 24.3ct Oval Cabochon Blue Lapis Lazuli (ID: 484612)
24.32 ct Lapis Lazuli
16.2 x 12.2 mm
$ 24.32
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ID: 4694721 pcs
thumb image of 10.9ct Oval Cabochon Green Serpentine (ID: 469472)
10.89 ct Serpentine
16 x 12.1 mm
$ 22.87
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ID: 4697781 pcs
thumb image of 8.9ct Oval Cabochon Green Serpentine (ID: 469778)
8.85 ct Serpentine
16.2 x 12 mm
$ 18.59
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ID: 2187811 pcs
thumb image of 10.3ct Oval Checkerboard Green Prehnite (ID: 218781)
10.27 ct Prehnite
16 x 11.9 mm
$ 47.74
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ID: 4760161 pcs
thumb image of 8.2ct Oval Facet Orange Sunstone (ID: 476016)
8.23 ct Sunstone
16.2 x 11.9 mm
$ 43.78
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ID: 4651941 pcs
thumb image of 8.1ct Oval Cabochon Multicolor Opal (ID: 465194)
8.06 ct Opal
15.7 x 12.2 mm
$ 328.20
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ID: 4830181 pcs
thumb image of 10.8ct Oval Concave Cut Purplish Pink Mystic Topaz (ID: 483018)
10.78 ct Mystic Topaz
16.1 x 12.1 mm
$ 86.24
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ID: 3713552 pcs
thumb image of 15.3ct Oval Cabochon Multicolor Jasper (ID: 371355)
15.34 ct Jasper
15.9 x 11.8 mm
$ 15.34
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Oval Shape 16x12 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 16 x 12 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