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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (591): Round Shape 6 mm Gems Clear All
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ID: 4347061 pcs
1.12ct Zircon
5.95mm x 3.88mm
USD 22.40
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ID: 4344041 pcs
1.36ct Zircon
6.12mm x 4.54mm
USD 27.20
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ID: 4107835 pcs
4.31ctw Moonstone
6.04mm x 3.28mm
USD 8.62
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ID: 3672304 pcs
2.47ctw Fire Opal
6.04mm x 3.98mm
USD 82.37
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ID: 4269752 pcs
1.57ctw Citrine
6.03mm x 3.98mm
USD 7.85
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ID: 4221272 pcs
1.37ctw Amethyst
6.06mm x 3.58mm
USD 8.22
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ID: 4334574 pcs
4.40ctw Hessonite Garnet
6.12mm x 3.41mm
USD 56.32
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ID: 4237511 pcs
0.96ct Sapphire
6.09mm x 3.27mm
USD 120.10
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ID: 4342324 pcs
3.88ctw Topaz
6.01mm x 3.82mm
USD 23.28
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ID: 4222294 pcs
2.56ctw Amethyst
5.78mm x 3.69mm
USD 15.36
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ID: 4342364 pcs
3.95ctw Topaz
5.90mm x 4.02mm
USD 23.70
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ID: 3672204 pcs
2.34ctw Fire Opal
6.04mm x 3.89mm
USD 78.04
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ID: 3589872 pcs
2.12ctw Zircon
5.91mm x 3.68mm
USD 30.57
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ID: 4107784 pcs
4.10ctw Moonstone
6.09mm x 3.74mm
USD 8.20
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ID: 4309331 pcs
0.93ct Topaz
5.90mm x 4.00mm
USD 4.65
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ID: 4071974 pcs
3.26ctw Almandine Garnet
5.84mm x 3.08mm
USD 22.82
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ID: 3588864 pcs
4.64ctw Zircon
6.02mm x 3.96mm
USD 66.91
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ID: 3812211 pcs
1.10ct Rhodolite Garnet
6.01mm x 3.77mm
USD 53.40
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ID: 4267622 pcs
1.54ctw Citrine
5.99mm x 3.81mm
USD 7.70
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ID: 4072004 pcs
2.95ctw Almandine Garnet
5.85mm x 2.76mm
USD 20.65
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ID: 2977981 pcs
1.10ct Tourmaline
5.98mm x 4.36mm
USD 31.46
Item in Stock
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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