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You Selected (857): Round Shape 6 mm Gems Clear All
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ID: 4385921 pcs
thumb image of 1.2ct Diamond-Cut Golden Zircon (ID: 438592)
1.23ct Zircon
6.10 x 4.16mm
USD 24.60
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ID: 4002674 pcs
thumb image of 3.5ct Round Cabochon Cream Moonstone (ID: 400267)
3.48ct Moonstone
5.99 x 3.39mm
USD 34.80
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ID: 4345382 pcs
thumb image of 2.5ct Diamond-Cut Golden Orange Zircon (ID: 434538)
2.45ct Zircon
5.91 x 4.12mm
USD 49.00
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ID: 3679824 pcs
thumb image of 3.6ct Round Cabochon Green Prehnite (ID: 367982)
3.60ct Prehnite
5.97 x 3.37mm
USD 17.86
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ID: 4449472 pcs
thumb image of 1.8ct Round Facet Swiss Blue Topaz (ID: 444947)
1.76ct Topaz
5.91 x 3.60mm
USD 11.49
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ID: 3593714 pcs
thumb image of 4.6ct Diamond-Cut White Zircon (ID: 359371)
4.57ct Zircon
5.95 x 3.82mm
USD 68.55
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ID: 4433741 pcs
thumb image of 1.3ct Round Facet Orange Sapphire (ID: 443374)
1.32ct Sapphire
6.12 x 4.41mm
USD 197.33
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ID: 4450304 pcs
thumb image of 4.2ct Round Facet Swiss Blue Topaz (ID: 445030)
4.16ct Topaz
6.01 x 3.79mm
USD 27.16
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ID: 3588914 pcs
thumb image of 4.5ct Diamond-Cut White Zircon (ID: 358891)
4.48ct Zircon
5.96 x 3.78mm
USD 64.60
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ID: 4072024 pcs
thumb image of 3.2ct Round Facet Red Almandine Garnet (ID: 407202)
3.17ct Almandine Garnet
5.85 x 2.97mm
USD 22.19
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ID: 4381134 pcs
thumb image of 4.2ct Round Cabochon Red Orange Carnelian (ID: 438113)
4.22ct Carnelian
6.16 x 3.87mm
USD 16.88
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ID: 3810791 pcs
thumb image of 1.1ct Round Facet Raspberry Red Rhodolite Garnet (ID: 381079)
1.11ct Rhodolite Garnet
5.97 x 4.02mm
USD 53.89
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ID: 4450433 pcs
thumb image of 3ct Round Facet Swiss Blue Topaz (ID: 445043)
2.99ct Topaz
5.97 x 3.90mm
USD 19.52
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ID: 4442802 pcs
thumb image of 2.1ct Round Facet Swiss Blue Topaz (ID: 444280)
2.07ct Topaz
6.08 x 3.78mm
USD 13.52
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ID: 4329581 pcs
thumb image of 1.3ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 432958)
1.28ct Hessonite Garnet
6.19 x 4.14mm
USD 16.38
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ID: 4004081 pcs
thumb image of 1ct Round Facet Golden Green Tourmaline (ID: 400408)
1.04ct Tourmaline
6.15 x 4.67mm
USD 26.00
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ID: 4388061 pcs
thumb image of 1.4ct Diamond-Cut Golden Orange Zircon (ID: 438806)
1.36ct Zircon
5.95 x 4.17mm
USD 27.20
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ID: 4002776 pcs
thumb image of 6.5ct Round Cabochon Cream Moonstone (ID: 400277)
6.47ct Moonstone
6.10 x 3.99mm
USD 64.70
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ID: 4345402 pcs
thumb image of 2.6ct Diamond-Cut Golden Orange Zircon (ID: 434540)
2.64ct Zircon
6.09 x 4.37mm
USD 52.80
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ID: 4116861 pcs
thumb image of 1.1ct Diamond-Cut Green Yellow Sillimanite (ID: 411686)
1.10ct Sillimanite
6.17 x 4.33mm
USD 38.50
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ID: 4388081 pcs
thumb image of 1.4ct Diamond-Cut Golden Orange Zircon (ID: 438808)
1.44ct Zircon
6.13 x 4.45mm
USD 28.80
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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