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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (260): Oval Shape 16x12 mm Gems Clear All
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ID: 3717242 pcs
thumb image of 15.2ct Oval Cabochon Multicolor Pietersite (ID: 371724)
15.21 ct Pietersite
15.9 x 12.1 mm
$ 60.84
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ID: 2160141 pcs
thumb image of 9.9ct Oval Checkerboard Green Prehnite (ID: 216014)
9.89 ct Prehnite
16 x 12 mm
$ 44.50
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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: 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: 4113952 pcs
thumb image of 14.7ct Oval Cabochon Colorless Black Rutile Quartz (ID: 411395)
14.68 ct Rutile Quartz
16 x 12 mm
$ 33.47
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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: 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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ID: 2198531 pcs
thumb image of 9.8ct Oval Checkerboard Green Prehnite (ID: 219853)
9.84 ct Prehnite
15.9 x 12 mm
$ 44.28
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ID: 4424601 pcs
thumb image of 10.7ct Oval Cabochon Orange Carnelian (ID: 442460)
10.69 ct Carnelian
15.9 x 11.9 mm
$ 42.76
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ID: 3164001 pcs
thumb image of 13.3ct Oval Cabochon Pink Rose Quartz (ID: 316400)
13.32 ct Rose Quartz
16.1 x 12.2 mm
$ 15.98
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ID: 3926401 pcs
thumb image of 8.7ct Oval Cabochon Violet Amethyst (ID: 392640)
8.74 ct Amethyst
15.9 x 11.8 mm
$ 43.70
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ID: 4113942 pcs
thumb image of 17.7ct Oval Cabochon Colorless Black Rutile Quartz (ID: 411394)
17.65 ct Rutile Quartz
16.1 x 12.1 mm
$ 40.24
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ID: 3712302 pcs
thumb image of 17.4ct Oval Cabochon Multicolor Jasper (ID: 371230)
17.39 ct Jasper
15.9 x 12 mm
$ 17.39
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ID: 4579761 pcs
thumb image of 9.5ct Oval Cabochon Blue Lapis Lazuli (ID: 457976)
9.53 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.53
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ID: 4578591 pcs
thumb image of 9.5ct Oval Cabochon Blue Lapis Lazuli (ID: 457859)
9.48 ct Lapis Lazuli
16.1 x 12.1 mm
$ 9.48
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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: 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: 3239161 pcs
thumb image of 15.3ct Oval Cabochon Pink Rose Quartz (ID: 323916)
15.32 ct Rose Quartz
16.2 x 12.2 mm
$ 18.38
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ID: 4424581 pcs
thumb image of 9.9ct Oval Cabochon Orange Carnelian (ID: 442458)
9.90 ct Carnelian
16.2 x 12.1 mm
$ 39.60
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ID: 4427831 pcs
thumb image of 10.3ct Oval Cabochon Orange Red Carnelian (ID: 442783)
10.34 ct Carnelian
16.1 x 12.1 mm
$ 41.36
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ID: 3712252 pcs
thumb image of 20.1ct Oval Cabochon Multicolor Jasper (ID: 371225)
20.10 ct Jasper
16 x 12.1 mm
$ 20.10
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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