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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (91): Round Shape 2.5 mm Gems Clear All
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ID: 39005140 pcs
thumb image of 2.8ct Round Facet Green Tsavorite Garnet (ID: 390051)
2.84 ct Tsavorite Garnet
2.4 mm
$ 201.33
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ID: 39052420 pcs
thumb image of 1.5ct Round Facet Multicolor Andalusite (ID: 390524)
1.54 ct Andalusite
2.6 mm
$ 75.09
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ID: 38991340 pcs
thumb image of 2.8ct Round Facet Green Tsavorite Garnet (ID: 389913)
2.80 ct Tsavorite Garnet
2.5 mm
$ 198.49
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ID: 39978430 pcs
thumb image of 2.6ct Diamond-Cut Green Tsavorite Garnet (ID: 399784)
2.64 ct Tsavorite Garnet
2.6 mm
$ 105.60
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ID: 38068440 pcs
thumb image of 2.5ct Diamond-Cut Green Tsavorite Garnet (ID: 380684)
2.54 ct Tsavorite Garnet
2.6 mm
$ 233.25
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ID: 38984740 pcs
thumb image of 3.2ct Round Facet Green Tsavorite Garnet (ID: 389847)
3.23 ct Tsavorite Garnet
2.5 mm
$ 228.97
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ID: 39021940 pcs
thumb image of 3.1ct Round Facet Green Tsavorite Garnet (ID: 390219)
3.07 ct Tsavorite Garnet
2.5 mm
$ 217.63
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ID: 38991840 pcs
thumb image of 3.1ct Round Facet Green Tsavorite Garnet (ID: 389918)
3.11 ct Tsavorite Garnet
2.5 mm
$ 220.47
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ID: 41869520 pcs
thumb image of 1.6ct Diamond-Cut Multicolor Sapphire (ID: 418695)
1.61 ct Sapphire
2.6 mm
$ 56.35
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ID: 44102220 pcs
thumb image of 1.3ct Diamond-Cut Multicolor Sapphire (ID: 441022)
1.26 ct Sapphire
2.4 mm
$ 44.10
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ID: 41941120 pcs
thumb image of 1.5ct Diamond-Cut Multicolor Sapphire (ID: 419411)
1.49 ct Sapphire
2.4 mm
$ 52.15
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ID: 42020140 pcs
thumb image of 2.6ct Diamond-Cut Pink Sapphire (ID: 420201)
2.59 ct Sapphire
2.4 mm
$ 90.65
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ID: 41795420 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 417954)
1.70 ct Sapphire
2.6 mm
$ 59.50
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ID: 41796120 pcs
thumb image of 1.8ct Diamond-Cut Multicolor Sapphire (ID: 417961)
1.78 ct Sapphire
2.6 mm
$ 62.30
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ID: 41987020 pcs
thumb image of 1.4ct Diamond-Cut Multicolor Sapphire (ID: 419870)
1.39 ct Sapphire
2.5 mm
$ 48.65
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ID: 41869220 pcs
thumb image of 1.8ct Diamond-Cut Multicolor Sapphire (ID: 418692)
1.77 ct Sapphire
2.5 mm
$ 61.95
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ID: 41795820 pcs
thumb image of 1.4ct Diamond-Cut Multicolor Sapphire (ID: 417958)
1.35 ct Sapphire
2.4 mm
$ 47.25
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ID: 38991940 pcs
thumb image of 2.3ct Round Facet Green Tsavorite Garnet (ID: 389919)
2.29 ct Tsavorite Garnet
2.5 mm
$ 162.34
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ID: 41921020 pcs
thumb image of 1.7ct Diamond-Cut Purple Pink Sapphire (ID: 419210)
1.70 ct Sapphire
2.5 mm
$ 59.50
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ID: 38985140 pcs
thumb image of 2.8ct Round Facet Green Tsavorite Garnet (ID: 389851)
2.76 ct Tsavorite Garnet
2.5 mm
$ 195.66
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ID: 41940920 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 419409)
1.66 ct Sapphire
2.5 mm
$ 58.10
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Round Shape 2.5 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 2.5 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