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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (261): Oval Shape 16x12 mm Gems Clear All
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ID: 3712282 pcs
thumb image of 17.4ct Oval Cabochon Multicolor Jasper (ID: 371228)
17.37 ct Jasper
15.8 x 11.8 mm
$ 17.37
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ID: 4579711 pcs
thumb image of 9.6ct Oval Cabochon Blue Lapis Lazuli (ID: 457971)
9.64 ct Lapis Lazuli
16 x 12.1 mm
$ 9.64
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ID: 4579291 pcs
thumb image of 9.3ct Oval Cabochon Blue Lapis Lazuli (ID: 457929)
9.29 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.29
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ID: 4579301 pcs
thumb image of 8.4ct Oval Cabochon Blue Lapis Lazuli (ID: 457930)
8.38 ct Lapis Lazuli
16 x 11.9 mm
$ 8.38
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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: 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: 4581101 pcs
thumb image of 9.7ct Oval Cabochon Blue Lapis Lazuli (ID: 458110)
9.74 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.74
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ID: 4562751 pcs
thumb image of 8.3ct Oval Cabochon Multicolor Pietersite (ID: 456275)
8.30 ct Pietersite
16 x 12.2 mm
$ 19.34
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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: 4580631 pcs
thumb image of 9.3ct Oval Cabochon Blue Lapis Lazuli (ID: 458063)
9.26 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.26
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ID: 3718412 pcs
thumb image of 13.5ct Oval Cabochon Grayish Blue Pietersite (ID: 371841)
13.48 ct Pietersite
15.9 x 11.9 mm
$ 53.92
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ID: 4481021 pcs
thumb image of 6.5ct Oval Cabochon Multicolor Pietersite (ID: 448102)
6.50 ct Pietersite
16.1 x 12.1 mm
$ 19.50
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ID: 3645171 pcs
thumb image of 11.3ct Oval Cabochon Blue Larimar (ID: 364517)
11.25 ct Larimar
16 x 12.1 mm
$ 67.50
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ID: 4578181 pcs
thumb image of 9.3ct Oval Cabochon Blue Lapis Lazuli (ID: 457818)
9.25 ct Lapis Lazuli
16.1 x 12.2 mm
$ 9.25
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ID: 4581011 pcs
thumb image of 9.8ct Oval Cabochon Blue Lapis Lazuli (ID: 458101)
9.76 ct Lapis Lazuli
16.2 x 12.2 mm
$ 9.76
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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: 4581051 pcs
thumb image of 9.8ct Oval Cabochon Blue Lapis Lazuli (ID: 458105)
9.75 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.75
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ID: 4579281 pcs
thumb image of 9.2ct Oval Cabochon Blue Lapis Lazuli (ID: 457928)
9.23 ct Lapis Lazuli
16 x 12 mm
$ 9.23
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ID: 4579741 pcs
thumb image of 9.8ct Oval Cabochon Blue Lapis Lazuli (ID: 457974)
9.77 ct Lapis Lazuli
16.1 x 12 mm
$ 9.77
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ID: 4186521 pcs
thumb image of 8.6ct Oval Cabochon Cream Star Moonstone (ID: 418652)
8.59 ct Star Moonstone
16.2 x 12 mm
$ 34.36
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ID: 2251231 pcs
thumb image of 9.6ct Oval Checkerboard Green Prehnite (ID: 225123)
9.64 ct Prehnite
15.8 x 11.8 mm
$ 43.38
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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