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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (269): Oval Shape 16x12 mm Gems Clear All
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ID: 3864581 pcs
5.39ct Jadeite
15.86 x 11.82 x 2.84mm
USD 26.95
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ID: 3712242 pcs
17.73ctw Jasper
16.01 x 12.18 x 6.00mm
USD 17.73
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ID: 4143771 pcs
9.84ct Aquamarine
16.47 x 12.27 x 7.16mm
USD 78.72
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ID: 3241181 pcs
12.08ct Rose Quartz
16.16 x 12.12 x 7.82mm
USD 14.50
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ID: 3643411 pcs
6.69ct Jasper
15.83 x 12.08 x 5.37mm
USD 13.38
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ID: 3643431 pcs
5.49ct Jasper
15.77 x 12.00 x 4.37mm
USD 10.98
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ID: 3713631 pcs
12.07ct Jasper
16.04 x 12.15 x 7.90mm
USD 12.07
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ID: 3643501 pcs
6.58ct Jasper
15.89 x 12.16 x 4.84mm
USD 13.16
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ID: 3846271 pcs
13.47ct Topaz
16.15 x 12.18 x 8.91mm
USD 94.29
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ID: 3417392 pcs
18.18ctw Seraphinite
15.93 x 11.97 x 5.30mm
USD 27.27
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ID: 3712282 pcs
17.37ctw Jasper
15.79 x 11.80 x 5.79mm
USD 17.37
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ID: 4209881 pcs
9.91ct Star Moonstone
15.90 x 12.37 x 7.27mm
USD 29.73
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ID: 2435461 pcs
8.92ct Prehnite
16.00 x 12.01 x 7.65mm
USD 40.14
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ID: 3713602 pcs
17.17ctw Jasper
16.05 x 12.09 x 5.65mm
USD 17.17
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ID: 4113902 pcs
15.50ctw Rutile Quartz
16.32 x 12.32 x 4.90mm
USD 35.34
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ID: 4413651 pcs
6.44ct Lapis Lazuli
15.40 x 11.53 x 4.43mm
USD 4.44
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ID: 4112892 pcs
15.00ctw Rutile Quartz
16.00 x 12.06 x 5.30mm
USD 34.20
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ID: 3712322 pcs
18.37ctw Jasper
16.09 x 12.19 x 5.97mm
USD 18.37
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ID: 4112862 pcs
17.74ctw Rutile Quartz
16.12 x 12.07 x 5.78mm
USD 40.45
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ID: 3717242 pcs
15.21ctw Pietersite
15.91 x 12.12 x 5.22mm
USD 60.84
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ID: 3239991 pcs
11.90ct Rose Quartz
16.22 x 12.10 x 7.97mm
USD 14.28
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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