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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (335): Round Shape 6.5 mm Gems Clear All
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ID: 3698651 pcs
1.42ct Zircon
6.52 x 4.08mm
USD 30.74
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ID: 4327302 pcs
2.63ctw Hessonite Garnet
6.66 x 3.72mm
USD 33.66
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ID: 4344021 pcs
1.77ct Zircon
6.60 x 4.94mm
USD 35.40
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ID: 4345951 pcs
1.60ct Zircon
6.60 x 4.59mm
USD 32.00
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ID: 3831781 pcs
0.56ct Fire Opal
6.24 x 3.30mm
USD 17.93
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ID: 4386751 pcs
1.69ct Zircon
6.61 x 4.79mm
USD 33.80
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ID: 4323811 pcs
1.81ct Zircon
6.76 x 4.78mm
USD 39.22
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ID: 4413271 pcs
0.99ct Tourmaline
6.29 x 4.06mm
USD 19.57
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ID: 3767111 pcs
1.81ct Prehnite
6.72 x 4.60mm
USD 10.66
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ID: 4053942 pcs
3.81ctw Zircon
6.76 x 4.87mm
USD 94.22
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ID: 4369511 pcs
1.54ct Zircon
6.71 x 4.51mm
USD 30.80
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ID: 4345412 pcs
3.22ctw Zircon
6.45 x 4.70mm
USD 64.40
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ID: 4383601 pcs
1.68ct Zircon
6.71 x 4.83mm
USD 33.60
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ID: 4055811 pcs
1.61ct Zircon
6.61 x 4.52mm
USD 39.82
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ID: 3682262 pcs
2.44ctw Prehnite
6.44 x 4.21mm
USD 12.10
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ID: 4056091 pcs
1.33ct Zircon
6.40 x 3.91mm
USD 32.89
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ID: 4388141 pcs
1.67ct Zircon
6.43 x 5.01mm
USD 33.40
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ID: 4370621 pcs
1.41ct Zircon
6.57 x 4.18mm
USD 28.20
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ID: 4376441 pcs
1.48ct Zircon
6.47 x 4.47mm
USD 29.60
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ID: 4383132 pcs
3.12ctw Zircon
6.55 x 4.87mm
USD 62.40
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ID: 3857922 pcs
3.68ctw Zircon
6.61 x 5.18mm
USD 90.68
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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