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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (226): Oval Shape 16x12 mm Gems Clear All
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ID: 3842862 pcs
thumb image of 22.1ct Oval Rose-Cut Black Spinel (ID: 384286)
22.11 ct Spinel
15.8 x 12 mm
$ 66.33
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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: 3841892 pcs
thumb image of 22ct Oval Rose-Cut Black Spinel (ID: 384189)
22.02 ct Spinel
16.2 x 12.1 mm
$ 66.06
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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: 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: 4181221 pcs
thumb image of 7.2ct Oval Cabochon Cream Star Moonstone (ID: 418122)
7.24 ct Star Moonstone
15.7 x 12.1 mm
$ 28.96
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ID: 4113932 pcs
thumb image of 16.7ct Oval Cabochon Colorless Black Rutile Quartz (ID: 411393)
16.70 ct Rutile Quartz
16.1 x 11.9 mm
$ 38.08
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ID: 3163991 pcs
thumb image of 12.1ct Oval Cabochon Pink Rose Quartz (ID: 316399)
12.07 ct Rose Quartz
16 x 12.2 mm
$ 14.48
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ID: 2462571 pcs
thumb image of 7.4ct Oval Cabochon Green Seraphinite (ID: 246257)
7.43 ct Seraphinite
15.9 x 12 mm
$ 12.63
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ID: 4143061 pcs
thumb image of 7.9ct Oval Cabochon Light Blue Aquamarine (ID: 414306)
7.92 ct Aquamarine
16.2 x 11.8 mm
$ 63.36
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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: 4112912 pcs
thumb image of 14.6ct Oval Cabochon Colorless Black Rutile Quartz (ID: 411291)
14.58 ct Rutile Quartz
16.1 x 12.2 mm
$ 33.24
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ID: 4601431 pcs
thumb image of 10.2ct Oval Cabochon Gray Blue Sheen Labradorite (ID: 460143)
10.20 ct Labradorite
16 x 12 mm
$ 10.20
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ID: 4605431 pcs
thumb image of 11.9ct Oval Cabochon Gray Blue Sheen Labradorite (ID: 460543)
11.86 ct Labradorite
16 x 12.1 mm
$ 11.86
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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: 4562701 pcs
thumb image of 5.9ct Oval Cabochon Multicolor Pietersite (ID: 456270)
5.93 ct Pietersite
16 x 12 mm
$ 13.82
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ID: 4601481 pcs
thumb image of 9.6ct Oval Cabochon Gray Blue Sheen Labradorite (ID: 460148)
9.60 ct Labradorite
16.1 x 12.1 mm
$ 9.60
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ID: 4601441 pcs
thumb image of 9.6ct Oval Cabochon Gray Blue Sheen Labradorite (ID: 460144)
9.64 ct Labradorite
16.1 x 12 mm
$ 9.64
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ID: 4601461 pcs
thumb image of 8.4ct Oval Cabochon Gray Blue Sheen Labradorite (ID: 460146)
8.35 ct Labradorite
15.9 x 12 mm
$ 8.35
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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: 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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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