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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (346): Round Shape 6.5 mm Gems Clear All
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ID: 4153241 pcs
1.40ct Tourmaline
6.43mm x 4.79mm
USD 70.00
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ID: 2276182 pcs
3.25ctw Spessartite Garnet
6.37mm x 3.28mm
USD 44.80
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ID: 3774301 pcs
1.53ct Mali Garnet
6.32mm x 5.11mm
USD 81.67
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ID: 4383152 pcs
3.43ctw Zircon
6.64mm x 4.74mm
USD 68.60
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ID: 2276112 pcs
4.44ctw Spessartite Garnet
6.67mm x 4.45mm
USD 35.52
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ID: 4370721 pcs
1.59ct Zircon
6.76mm x 4.48mm
USD 31.80
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ID: 4379241 pcs
0.89ct Carnelian
6.24mm x 3.47mm
USD 3.56
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ID: 4388161 pcs
1.88ct Zircon
6.51mm x 5.43mm
USD 37.60
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ID: 3803502 pcs
2.78ctw Zircon
6.57mm x 3.84mm
USD 45.04
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ID: 4331811 pcs
1.32ct Hessonite Garnet
6.38mm x 4.16mm
USD 16.90
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ID: 3803482 pcs
2.75ctw Zircon
6.64mm x 3.79mm
USD 44.55
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ID: 4054622 pcs
3.04ctw Zircon
6.46mm x 4.60mm
USD 75.18
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ID: 4383132 pcs
3.12ctw Zircon
6.55mm x 4.87mm
USD 62.40
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ID: 4383621 pcs
1.42ct Zircon
6.26mm x 4.59mm
USD 28.40
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ID: 4343971 pcs
1.60ct Zircon
6.67mm x 4.63mm
USD 32.00
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ID: 4345951 pcs
1.60ct Zircon
6.60mm x 4.59mm
USD 32.00
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ID: 3700321 pcs
1.44ct Zircon
6.72mm x 3.98mm
USD 31.18
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ID: 4386841 pcs
1.47ct Zircon
6.39mm x 4.50mm
USD 29.40
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ID: 4333351 pcs
1.42ct Hessonite Garnet
6.35mm x 4.12mm
USD 18.18
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ID: 4010561 pcs
1.30ct Tourmaline
6.35mm x 4.74mm
USD 62.50
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ID: 4388091 pcs
1.42ct Zircon
6.26mm x 4.27mm
USD 28.40
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Round Shape 6.5 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 6.5 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