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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (222): Oval Shape 16x12 mm Gems Clear All
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ID: 4266122 pcs
thumb image of 20.5ct Oval Rose-Cut Black Spinel (ID: 426612)
20.50 ct Spinel
15.8 x 12 mm
$ 71.75
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ID: 3643431 pcs
thumb image of 5.5ct Oval Cabochon Multicolor Jasper (ID: 364343)
5.49 ct Jasper
15.8 x 12 mm
$ 10.98
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ID: 3841882 pcs
thumb image of 21.2ct Oval Rose-Cut Black Spinel (ID: 384188)
21.22 ct Spinel
16 x 12.1 mm
$ 63.66
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ID: 3713631 pcs
thumb image of 12.1ct Oval Cabochon Multicolor Jasper (ID: 371363)
12.07 ct Jasper
16 x 12.2 mm
$ 12.07
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ID: 4266182 pcs
thumb image of 19.4ct Oval Rose-Cut Black Spinel (ID: 426618)
19.43 ct Spinel
15.9 x 11.8 mm
$ 68.00
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ID: 3163951 pcs
thumb image of 11.7ct Oval Cabochon Pink Rose Quartz (ID: 316395)
11.67 ct Rose Quartz
16 x 12.1 mm
$ 14.00
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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: 3241181 pcs
thumb image of 12.1ct Oval Cabochon Pink Rose Quartz (ID: 324118)
12.08 ct Rose Quartz
16.2 x 12.1 mm
$ 14.50
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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: 4266611 pcs
thumb image of 11.1ct Oval Rose-Cut Black Spinel (ID: 426661)
11.12 ct Spinel
16.1 x 12.2 mm
$ 38.92
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ID: 4580242 pcs
thumb image of 18.2ct Oval Cabochon Blue Lapis Lazuli (ID: 458024)
18.23 ct Lapis Lazuli
15.9 x 12 mm
$ 18.23
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ID: 4073821 pcs
thumb image of 11.5ct Oval Facet Greenish Golden Apatite (ID: 407382)
11.46 ct Apatite
16.1 x 12.1 mm
$ 475.25
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ID: 4580222 pcs
thumb image of 18.1ct Oval Cabochon Blue Lapis Lazuli (ID: 458022)
18.07 ct Lapis Lazuli
16 x 12 mm
$ 18.07
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ID: 3147181 pcs
thumb image of 12.5ct Oval Cabochon Pink Rose Quartz (ID: 314718)
12.51 ct Rose Quartz
15.9 x 12 mm
$ 15.01
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ID: 3643471 pcs
thumb image of 7.2ct Oval Cabochon Multicolor Jasper (ID: 364347)
7.18 ct Jasper
16.1 x 12.2 mm
$ 14.36
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ID: 3241021 pcs
thumb image of 12.6ct Oval Cabochon Pink Rose Quartz (ID: 324102)
12.63 ct Rose Quartz
16.2 x 12.2 mm
$ 15.16
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ID: 4424661 pcs
thumb image of 9.2ct Oval Cabochon Orange Carnelian (ID: 442466)
9.16 ct Carnelian
16.1 x 12.1 mm
$ 36.64
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ID: 3240981 pcs
thumb image of 12.7ct Oval Cabochon Pink Rose Quartz (ID: 324098)
12.72 ct Rose Quartz
16.2 x 12.2 mm
$ 15.26
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ID: 2401521 pcs
thumb image of 9.7ct Oval Cabochon Green Seraphinite (ID: 240152)
9.70 ct Seraphinite
15.9 x 12 mm
$ 16.49
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ID: 4578211 pcs
thumb image of 9.9ct Oval Cabochon Blue Lapis Lazuli (ID: 457821)
9.93 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.93
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ID: 2662531 pcs
thumb image of 13.8ct Oval Cabochon Multicolor Ruby-Zoisite (ID: 266253)
13.78 ct Ruby-Zoisite
15.9 x 12.1 mm
$ 37.89
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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