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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: 3241571 pcs
thumb image of 13.9ct Oval Cabochon Pink Rose Quartz (ID: 324157)
13.88 ct Rose Quartz
16.1 x 12.2 mm
$ 16.66
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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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ID: 4180921 pcs
thumb image of 8.4ct Oval Cabochon Cream Star Moonstone (ID: 418092)
8.44 ct Star Moonstone
16.3 x 12.1 mm
$ 33.76
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ID: 4481111 pcs
thumb image of 7.4ct Oval Cabochon Multicolor Pietersite (ID: 448111)
7.42 ct Pietersite
16.1 x 12.1 mm
$ 22.26
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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: 2662511 pcs
thumb image of 8.7ct Oval Cabochon Multicolor Ruby-Zoisite (ID: 266251)
8.65 ct Ruby-Zoisite
16.1 x 12.1 mm
$ 23.79
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ID: 4480361 pcs
thumb image of 7.6ct Oval Cabochon Multicolor Pietersite (ID: 448036)
7.60 ct Pietersite
16.1 x 12.2 mm
$ 22.80
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ID: 3417422 pcs
thumb image of 15ct Oval Cabochon Green Seraphinite (ID: 341742)
15.01 ct Seraphinite
15.9 x 12 mm
$ 22.52
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ID: 3117831 pcs
thumb image of 9.6ct Oval Checkerboard Green Prehnite (ID: 311783)
9.60 ct Prehnite
16 x 12 mm
$ 43.24
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ID: 3713612 pcs
thumb image of 15.5ct Oval Cabochon Multicolor Jasper (ID: 371361)
15.52 ct Jasper
15.8 x 12.1 mm
$ 15.52
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ID: 3842892 pcs
thumb image of 21.2ct Oval Rose-Cut Black Spinel (ID: 384289)
21.19 ct Spinel
16.1 x 12.1 mm
$ 63.57
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ID: 4266202 pcs
thumb image of 17.2ct Oval Rose-Cut Black Spinel (ID: 426620)
17.22 ct Spinel
15.9 x 11.8 mm
$ 60.27
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ID: 4480331 pcs
thumb image of 6.7ct Oval Cabochon Multicolor Pietersite (ID: 448033)
6.69 ct Pietersite
16.2 x 12 mm
$ 20.07
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ID: 3713542 pcs
thumb image of 18.3ct Oval Cabochon Multicolor Jasper (ID: 371354)
18.26 ct Jasper
16.1 x 12.2 mm
$ 18.26
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ID: 4663301 pcs
thumb image of 7.1ct Oval Cabochon Blue Turquoise (ID: 466330)
7.11 ct Turquoise
16.1 x 12.2 mm
$ 14.22
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ID: 4479832 pcs
thumb image of 13.3ct Oval Cabochon Multicolor Pietersite (ID: 447983)
13.31 ct Pietersite
16 x 12.1 mm
$ 39.93
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ID: 3712322 pcs
thumb image of 18.4ct Oval Cabochon Multicolor Jasper (ID: 371232)
18.37 ct Jasper
16.1 x 12.2 mm
$ 18.37
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ID: 2279971 pcs
thumb image of 9.4ct Oval Checkerboard Green Prehnite (ID: 227997)
9.41 ct Prehnite
16 x 11.9 mm
$ 42.34
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ID: 3417412 pcs
thumb image of 19.2ct Oval Cabochon Green Seraphinite (ID: 341741)
19.18 ct Seraphinite
16 x 12 mm
$ 28.77
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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: 2988671 pcs
thumb image of 8.9ct Oval Facet Lime Green Prehnite (ID: 298867)
8.88 ct Prehnite
16 x 12.1 mm
$ 41.74
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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