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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (181): Oval Shape 16x12 mm Gems Clear All
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ID: 3841972 pcs
thumb image of 20.9ct Oval Rose-Cut Black Spinel (ID: 384197)
20.90 ct Spinel
16 x 12.1 mm
$ 62.70
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ID: 4613881 pcs
thumb image of 11.7ct Oval Cabochon Orange Carnelian (ID: 461388)
11.73 ct Carnelian
16.2 x 12.1 mm
$ 46.92
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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: 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: 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: 3417352 pcs
thumb image of 20.8ct Oval Cabochon Green Seraphinite (ID: 341735)
20.78 ct Seraphinite
16 x 12 mm
$ 31.17
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ID: 3841922 pcs
thumb image of 19.7ct Oval Rose-Cut Black Spinel (ID: 384192)
19.65 ct Spinel
16.1 x 12.1 mm
$ 58.95
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ID: 2462561 pcs
thumb image of 9.2ct Oval Cabochon Green Seraphinite (ID: 246256)
9.20 ct Seraphinite
15.9 x 12 mm
$ 15.64
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ID: 3417432 pcs
thumb image of 21.5ct Oval Cabochon Green Seraphinite (ID: 341743)
21.51 ct Seraphinite
16 x 12.1 mm
$ 32.26
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ID: 4579731 pcs
thumb image of 8.9ct Oval Cabochon Blue Lapis Lazuli (ID: 457973)
8.85 ct Lapis Lazuli
16.1 x 11.9 mm
$ 8.85
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ID: 4578201 pcs
thumb image of 9ct Oval Cabochon Blue Lapis Lazuli (ID: 457820)
9.01 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.01
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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: 4578551 pcs
thumb image of 8.8ct Oval Cabochon Blue Lapis Lazuli (ID: 457855)
8.84 ct Lapis Lazuli
16.1 x 12.1 mm
$ 8.84
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ID: 4562761 pcs
thumb image of 6.5ct Oval Cabochon Multicolor Pietersite (ID: 456276)
6.54 ct Pietersite
16.1 x 12.1 mm
$ 15.24
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ID: 4581091 pcs
thumb image of 9.1ct Oval Cabochon Blue Lapis Lazuli (ID: 458109)
9.06 ct Lapis Lazuli
16.1 x 12 mm
$ 9.06
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ID: 4481982 pcs
thumb image of 14.3ct Oval Cabochon Multicolor Pietersite (ID: 448198)
14.31 ct Pietersite
16.1 x 12.2 mm
$ 42.93
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ID: 4143181 pcs
thumb image of 8ct Oval Cabochon Light Blue Aquamarine (ID: 414318)
8.02 ct Aquamarine
15.8 x 12.2 mm
$ 64.16
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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: 4580161 pcs
thumb image of 9.2ct Oval Cabochon Blue Lapis Lazuli (ID: 458016)
9.24 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.24
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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: 4579211 pcs
thumb image of 9.3ct Oval Cabochon Blue Lapis Lazuli (ID: 457921)
9.27 ct Lapis Lazuli
16 x 11.9 mm
$ 9.27
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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