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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (636): Round Shape 6 mm Gems Clear All
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ID: 4223354 pcs
2.75ctw Amethyst
5.81 x 3.83mm
USD 13.75
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ID: 4381174 pcs
3.74ctw Carnelian
6.17 x 3.54mm
USD 14.96
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ID: 4267562 pcs
1.59ctw Citrine
6.01 x 4.04mm
USD 7.95
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ID: 4223424 pcs
2.64ctw Amethyst
5.83 x 3.73mm
USD 13.20
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ID: 4375964 pcs
3.98ctw Topaz
6.05 x 3.68mm
USD 19.90
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ID: 4343941 pcs
1.36ct Zircon
6.20 x 4.34mm
USD 27.20
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ID: 4323691 pcs
0.45ct Opal
5.76 x 3.08mm
USD 12.60
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ID: 4221302 pcs
1.40ctw Amethyst
5.86 x 3.78mm
USD 8.40
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ID: 2828961 pcs
1.11ct Tourmaline
5.94 x 4.51mm
USD 27.75
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ID: 3596164 pcs
4.43ctw Zircon
5.90 x 4.00mm
USD 64.10
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ID: 3821111 pcs
1.12ct Rhodolite Garnet
6.08 x 3.76mm
USD 47.76
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ID: 3259354 pcs
3.88ctw Malaya Garnet
6.03 x 3.43mm
USD 293.33
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ID: 4216452 pcs
1.20ctw Amethyst
5.79 x 3.47mm
USD 8.40
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ID: 4345861 pcs
1.18ct Zircon
6.01 x 4.17mm
USD 23.60
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ID: 3865964 pcs
7.14ctw Sapphire
6.13 x 4.28mm
USD 71.40
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ID: 4203482 pcs
1.70ctw Tanzanite
5.94 x 3.57mm
USD 204.00
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ID: 3593754 pcs
4.44ctw Zircon
6.00 x 3.82mm
USD 66.60
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ID: 4267652 pcs
1.56ctw Citrine
6.12 x 3.83mm
USD 7.80
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ID: 3783344 pcs
5.86ctw Sapphire
6.13 x 3.70mm
USD 101.55
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ID: 4269742 pcs
1.54ctw Citrine
6.09 x 3.91mm
USD 7.70
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ID: 4368402 pcs
1.70ctw Topaz
5.98 x 3.40mm
USD 8.50
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Round Shape 6 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 Round shapes, facet cut and cabochon gems available now in 6 mm diameter 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 around 0.3 mm or slightly higher even. This small variance can usually be accommodated for 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