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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (683): Round Shape 6 mm Gems Clear All
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ID: 4574682 pcs
thumb image of 1.9ct Round Facet Red Pyrope Garnet (ID: 457468)
1.94 ct Pyrope Garnet
6.1 mm
$ 13.37
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ID: 4368412 pcs
thumb image of 2ct Round Facet Sky Blue Topaz (ID: 436841)
1.96 ct Topaz
5.9 mm
$ 9.80
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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: 4450022 pcs
thumb image of 1.9ct Round Facet Swiss Blue Topaz (ID: 445002)
1.92 ct Topaz
6 mm
$ 12.54
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ID: 4369431 pcs
thumb image of 1.2ct Diamond-Cut Orange Zircon (ID: 436943)
1.19 ct Zircon
5.9 mm
$ 23.80
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ID: 4329521 pcs
thumb image of 1.1ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 432952)
1.14 ct Hessonite Garnet
5.9 mm
$ 14.59
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ID: 4575132 pcs
thumb image of 1.7ct Round Facet Red Pyrope Garnet (ID: 457513)
1.67 ct Pyrope Garnet
6 mm
$ 11.51
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ID: 3591234 pcs
thumb image of 4.4ct Diamond-Cut White Zircon (ID: 359123)
4.44 ct Zircon
6 mm
$ 64.02
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ID: 4575152 pcs
thumb image of 2ct Round Facet Red Pyrope Garnet (ID: 457515)
2.01 ct Pyrope Garnet
6 mm
$ 13.85
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ID: 4573932 pcs
thumb image of 1.9ct Round Facet Red Pyrope Garnet (ID: 457393)
1.94 ct Pyrope Garnet
6.1 mm
$ 13.37
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ID: 4329581 pcs
thumb image of 1.3ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 432958)
1.28 ct Hessonite Garnet
6.2 mm
$ 16.38
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ID: 4402611 pcs
thumb image of 0.8ct Round Facet Green Apatite (ID: 440261)
0.84 ct Apatite
6.1 mm
$ 28.90
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ID: 4576112 pcs
thumb image of 1.8ct Round Facet Red Pyrope Garnet (ID: 457611)
1.80 ct Pyrope Garnet
6.1 mm
$ 12.40
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ID: 4331801 pcs
thumb image of 1.3ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 433180)
1.29 ct Hessonite Garnet
6.1 mm
$ 16.51
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ID: 4402601 pcs
thumb image of 0.9ct Round Facet Green Apatite (ID: 440260)
0.90 ct Apatite
6.1 mm
$ 30.97
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ID: 4449394 pcs
thumb image of 4.4ct Round Facet Swiss Blue Topaz (ID: 444939)
4.37 ct Topaz
6 mm
$ 28.54
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ID: 4203582 pcs
thumb image of 1.8ct Round Facet Violet Blue Tanzanite (ID: 420358)
1.83 ct Tanzanite
6 mm
$ 219.60
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ID: 4588841 pcs
thumb image of 1.2ct Round Cabochon Green Prehnite (ID: 458884)
1.16 ct Prehnite
6.1 mm
$ 1.73
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ID: 4575762 pcs
thumb image of 2.1ct Round Facet Red Pyrope Garnet (ID: 457576)
2.10 ct Pyrope Garnet
6.1 mm
$ 14.47
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ID: 4372661 pcs
thumb image of 0.9ct Round Facet Sky Blue Topaz (ID: 437266)
0.93 ct Topaz
6 mm
$ 4.65
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ID: 3686865 pcs
thumb image of 6.2ct Round Cabochon Green Prehnite (ID: 368686)
6.24 ct Prehnite
6.2 mm
$ 30.70
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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