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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (108): Round Shape 2.5 mm Gems Clear All
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ID: 42224020 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 422240)
1.69 ct Sapphire
2.6 mm
$ 59.15
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ID: 41940420 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 419404)
1.72 ct Sapphire
2.5 mm
$ 60.20
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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: 39005340 pcs
thumb image of 2.6ct Round Facet Green Tsavorite Garnet (ID: 390053)
2.56 ct Tsavorite Garnet
2.5 mm
$ 181.48
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ID: 42339540 pcs
thumb image of 2.6ct Diamond-Cut Pinkish Violet Sapphire (ID: 423395)
2.60 ct Sapphire
2.4 mm
$ 91.00
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ID: 33671230 pcs
thumb image of 2.4ct Diamond-Cut Red Orange Sapphire (ID: 336712)
2.38 ct Sapphire
2.5 mm
$ 94.96
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ID: 42213520 pcs
thumb image of 1.5ct Diamond-Cut Multicolor Sapphire (ID: 422135)
1.49 ct Sapphire
2.5 mm
$ 52.15
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ID: 39978530 pcs
thumb image of 2.6ct Diamond-Cut Green Tsavorite Garnet (ID: 399785)
2.61 ct Tsavorite Garnet
2.6 mm
$ 104.40
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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: 41920620 pcs
thumb image of 1.5ct Diamond-Cut Multicolor Sapphire (ID: 419206)
1.48 ct Sapphire
2.4 mm
$ 51.80
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ID: 42220320 pcs
thumb image of 1.4ct Diamond-Cut Multicolor Sapphire (ID: 422203)
1.36 ct Sapphire
2.4 mm
$ 47.60
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ID: 42226020 pcs
thumb image of 1.5ct Diamond-Cut Pink Sapphire (ID: 422260)
1.45 ct Sapphire
2.6 mm
$ 58.00
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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: 41994620 pcs
thumb image of 1.5ct Diamond-Cut Multicolor Sapphire (ID: 419946)
1.47 ct Sapphire
2.5 mm
$ 51.45
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ID: 43078720 pcs
thumb image of 1.6ct Diamond-Cut Blue Sapphire (ID: 430787)
1.55 ct Sapphire
2.6 mm
$ 99.14
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ID: 41976220 pcs
thumb image of 1.5ct Diamond-Cut Pink Sapphire (ID: 419762)
1.52 ct Sapphire
2.5 mm
$ 60.80
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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: 41891120 pcs
thumb image of 1.7ct Diamond-Cut Multicolor Sapphire (ID: 418911)
1.70 ct Sapphire
2.6 mm
$ 59.50
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ID: 38992040 pcs
thumb image of 2.4ct Round Facet Green Tsavorite Garnet (ID: 389920)
2.35 ct Tsavorite Garnet
2.4 mm
$ 166.59
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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: 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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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