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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (339): Round Shape 6.5 mm Gems Clear All
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ID: 4344021 pcs
1.77ct Zircon
6.60 x 4.94mm
USD 35.40
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ID: 4409101 pcs
1.20ct Rhodolite Garnet
6.58 x 3.49mm
USD 24.00
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ID: 4343441 pcs
1.56ct Zircon
6.50 x 4.49mm
USD 31.20
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ID: 3558021 pcs
1.68ct Zircon
6.75 x 4.47mm
USD 42.00
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ID: 4333422 pcs
2.94ct Hessonite Garnet
6.57 x 4.41mm
USD 37.63
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ID: 3806204 pcs
4.85ct Zircon
6.26 x 3.72mm
USD 78.57
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ID: 3698701 pcs
1.60ct Zircon
6.73 x 4.40mm
USD 34.64
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ID: 4203112 pcs
1.87ct Tanzanite
6.50 x 3.20mm
USD 224.40
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ID: 4425391 pcs
2.02ct Zircon
6.69 x 5.34mm
USD 50.50
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ID: 4056091 pcs
1.33ct Zircon
6.40 x 3.91mm
USD 32.89
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ID: 4333331 pcs
1.30ct Hessonite Garnet
6.57 x 3.66mm
USD 16.64
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ID: 4372501 pcs
1.66ct Zircon
6.64 x 4.75mm
USD 33.20
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ID: 4388051 pcs
1.69ct Zircon
6.47 x 5.29mm
USD 33.80
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ID: 4330291 pcs
1.24ct Hessonite Garnet
6.46 x 3.69mm
USD 15.87
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ID: 4054702 pcs
3.34ct Zircon
6.61 x 4.59mm
USD 82.60
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ID: 4327252 pcs
2.51ct Hessonite Garnet
6.46 x 3.59mm
USD 32.13
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ID: 3802732 pcs
2.56ct Zircon
6.61 x 3.67mm
USD 41.47
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ID: 4383162 pcs
2.93ct Zircon
6.55 x 4.39mm
USD 58.60
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ID: 3806745 pcs
6.75ct Zircon
6.27 x 3.43mm
USD 109.35
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ID: 4345941 pcs
1.41ct Zircon
6.49 x 4.22mm
USD 28.20
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ID: 3785951 pcs
1.82ct Zircon
6.71 x 4.21mm
USD 45.35
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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