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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (80): Round Shape 2.5 mm Gems Clear All
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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: 39005040 pcs
thumb image of 2.8ct Round Facet Green Tsavorite Garnet (ID: 390050)
2.80 ct Tsavorite Garnet
2.5 mm
$ 198.49
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ID: 4671711 pcs
thumb image of 0.1ct Diamond-Cut White Diamond (ID: 467171)
0.07 ct Diamond
2.5 mm
$ 107.07
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ID: 4671661 pcs
thumb image of 0.1ct Diamond-Cut Light Yellow Diamond (ID: 467166)
0.06 ct Diamond
2.5 mm
$ 91.78
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ID: 4671701 pcs
thumb image of 0.1ct Diamond-Cut White Diamond (ID: 467170)
0.06 ct Diamond
2.6 mm
$ 91.78
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ID: 4671691 pcs
thumb image of 0.1ct Diamond-Cut White Diamond (ID: 467169)
0.06 ct Diamond
2.5 mm
$ 91.78
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ID: 4671681 pcs
thumb image of 0ct Diamond-Cut Light Yellow Diamond (ID: 467168)
0.04 ct Diamond
2.4 mm
$ 61.19
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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: 46678740 pcs
thumb image of 2.8ct Diamond-Cut Light Pink Sapphire (ID: 466787)
2.75 ct Sapphire
2.5 mm
$ 96.25
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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: 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: 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: 46678330 pcs
thumb image of 2.6ct Diamond-Cut Light Pink Sapphire (ID: 466783)
2.61 ct Sapphire
2.6 mm
$ 91.35
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ID: 41781820 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 417818)
1.73 ct Sapphire
2.6 mm
$ 60.55
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ID: 41958420 pcs
thumb image of 1.6ct Diamond-Cut Multicolor Sapphire (ID: 419584)
1.59 ct Sapphire
2.4 mm
$ 55.65
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ID: 42213620 pcs
thumb image of 1.5ct Diamond-Cut Multicolor Sapphire (ID: 422136)
1.52 ct Sapphire
2.5 mm
$ 53.20
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ID: 42224620 pcs
thumb image of 1.9ct Diamond-Cut Multicolor Sapphire (ID: 422246)
1.85 ct Sapphire
2.6 mm
$ 64.75
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ID: 46678430 pcs
thumb image of 2.6ct Diamond-Cut Violet Pink Sapphire (ID: 466784)
2.63 ct Sapphire
2.6 mm
$ 92.05
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ID: 39004940 pcs
thumb image of 2.8ct Round Facet Green Tsavorite Garnet (ID: 390049)
2.80 ct Tsavorite Garnet
2.4 mm
$ 198.49
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ID: 41913320 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 419133)
1.73 ct Sapphire
2.5 mm
$ 60.55
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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