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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (641): Round Shape 6 mm Gems Clear All
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ID: 4649422 pcs
thumb image of 1.2ct Round Facet Light Blue Aquamarine (ID: 464942)
1.24 ct Aquamarine
5.9 mm
$ 37.20
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ID: 4368392 pcs
thumb image of 1.7ct Round Facet Sky Blue Topaz (ID: 436839)
1.74 ct Topaz
5.8 mm
$ 8.70
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ID: 4575172 pcs
thumb image of 2.1ct Round Facet Red Pyrope Garnet (ID: 457517)
2.07 ct Pyrope Garnet
6.1 mm
$ 14.26
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ID: 3596074 pcs
thumb image of 4.2ct Diamond-Cut White Zircon (ID: 359607)
4.23 ct Zircon
6 mm
$ 61.21
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ID: 4203172 pcs
thumb image of 1.8ct Round Facet Violet Blue Tanzanite (ID: 420317)
1.81 ct Tanzanite
6.1 mm
$ 217.20
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ID: 4575052 pcs
thumb image of 2ct Round Facet Red Pyrope Garnet (ID: 457505)
2.02 ct Pyrope Garnet
6 mm
$ 13.92
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ID: 3597354 pcs
thumb image of 4.7ct Diamond-Cut White Zircon (ID: 359735)
4.69 ct Zircon
6 mm
$ 67.86
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ID: 4344041 pcs
thumb image of 1.4ct Diamond-Cut Golden Orange Zircon (ID: 434404)
1.36 ct Zircon
6.1 mm
$ 27.20
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ID: 4443422 pcs
thumb image of 2ct Round Facet Swiss Blue Topaz (ID: 444342)
1.99 ct Topaz
6 mm
$ 12.99
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ID: 4002715 pcs
thumb image of 5.5ct Round Cabochon Cream Moonstone (ID: 400271)
5.46 ct Moonstone
6.1 mm
$ 54.60
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ID: 4638864 pcs
thumb image of 4ct Round Facet Red Pyrope Garnet (ID: 463886)
4.03 ct Pyrope Garnet
6.1 mm
$ 40.30
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ID: 4575802 pcs
thumb image of 2ct Round Facet Red Pyrope Garnet (ID: 457580)
1.96 ct Pyrope Garnet
6 mm
$ 13.50
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ID: 4331841 pcs
thumb image of 1.4ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 433184)
1.36 ct Hessonite Garnet
6.1 mm
$ 17.41
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ID: 4649412 pcs
thumb image of 1.4ct Round Facet Light Blue Aquamarine (ID: 464941)
1.44 ct Aquamarine
6.1 mm
$ 43.20
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ID: 4445212 pcs
thumb image of 1.9ct Round Facet Swiss Blue Topaz (ID: 444521)
1.92 ct Topaz
6 mm
$ 12.54
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ID: 4267632 pcs
thumb image of 1.6ct Round Facet Yellow Golden Citrine (ID: 426763)
1.56 ct Citrine
6.1 mm
$ 7.80
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ID: 3867294 pcs
thumb image of 6.5ct Round Cabochon Blue Sapphire (ID: 386729)
6.48 ct Sapphire
6.2 mm
$ 64.80
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ID: 4575162 pcs
thumb image of 1.8ct Round Facet Red Pyrope Garnet (ID: 457516)
1.75 ct Pyrope Garnet
6.1 mm
$ 12.06
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ID: 4660203 pcs
thumb image of 1.7ct Round Facet Light Blue Aquamarine (ID: 466020)
1.72 ct Aquamarine
6 mm
$ 51.60
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ID: 4329571 pcs
thumb image of 1.4ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 432957)
1.42 ct Hessonite Garnet
6.2 mm
$ 18.18
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ID: 4648962 pcs
thumb image of 1.5ct Round Cabochon Multicolor Black Opal (ID: 464896)
1.50 ct Black Opal
6.1 mm
$ 45.00
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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