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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (167): Round Shape 3.5 mm Gems Clear All
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ID: 37507612 pcs
thumb image of 2.5ct Diamond-Cut Green Tsavorite Garnet (ID: 375076)
2.45 ct Tsavorite Garnet
3.6 mm
$ 182.01
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ID: 34717610 pcs
thumb image of 2.4ct Round Cabochon Multicolor Sapphire (ID: 347176)
2.39 ct Sapphire
3.5 mm
$ 119.50
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ID: 34725810 pcs
thumb image of 2.5ct Round Cabochon Multicolor Sapphire (ID: 347258)
2.49 ct Sapphire
3.4 mm
$ 124.50
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ID: 4227686 pcs
thumb image of 1.3ct Diamond-Cut Yellow Golden Sapphire (ID: 422768)
1.27 ct Sapphire
3.5 mm
$ 38.10
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ID: 42387310 pcs
thumb image of 2.1ct Diamond-Cut Yellow Golden Sapphire (ID: 423873)
2.11 ct Sapphire
3.6 mm
$ 56.84
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ID: 42387610 pcs
thumb image of 2.1ct Diamond-Cut Orange Sapphire (ID: 423876)
2.05 ct Sapphire
3.6 mm
$ 55.23
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ID: 3904816 pcs
thumb image of 1.2ct Round Facet Multicolor Andalusite (ID: 390481)
1.15 ct Andalusite
3.5 mm
$ 56.07
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ID: 40184710 pcs
thumb image of 2.2ct Round Facet Violet to Red Color-Change Sapphire (ID: 401847)
2.20 ct Color-Change Sapphire
3.4 mm
$ 165.00
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ID: 4122635 pcs
thumb image of 0.9ct Round Facet Green Emerald (ID: 412263)
0.85 ct Emerald
3.6 mm
$ 340.00
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ID: 34708310 pcs
thumb image of 3ct Round Cabochon Multicolor Sapphire (ID: 347083)
3.01 ct Sapphire
3.6 mm
$ 150.50
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ID: 34542920 pcs
thumb image of 4.6ct Round Cabochon Pink Sapphire (ID: 345429)
4.57 ct Sapphire
3.5 mm
$ 229.60
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ID: 4240027 pcs
thumb image of 1.5ct Diamond-Cut Orange Rose Sapphire (ID: 424002)
1.52 ct Sapphire
3.6 mm
$ 54.72
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ID: 42399010 pcs
thumb image of 1.9ct Diamond-Cut Yellow Golden Sapphire (ID: 423990)
1.94 ct Sapphire
3.5 mm
$ 69.84
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ID: 4287693 pcs
thumb image of 0.5ct Round Facet Green Emerald (ID: 428769)
0.49 ct Emerald
3.5 mm
$ 191.10
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ID: 3994826 pcs
thumb image of 1.7ct Round Facet Pink Red Ruby (ID: 399482)
1.68 ct Ruby
3.6 mm
$ 285.55
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ID: 42327810 pcs
thumb image of 2.1ct Diamond-Cut Yellow Orange Sapphire (ID: 423278)
2.07 ct Sapphire
3.6 mm
$ 62.10
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ID: 4359766 pcs
thumb image of 1.3ct Diamond-Cut Multicolor Sapphire (ID: 435976)
1.26 ct Sapphire
3.5 mm
$ 50.40
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ID: 34708810 pcs
thumb image of 2.8ct Round Cabochon Multicolor Sapphire (ID: 347088)
2.77 ct Sapphire
3.6 mm
$ 138.50
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ID: 40219610 pcs
thumb image of 2.1ct Diamond-Cut Pink Red Ruby (ID: 402196)
2.12 ct Ruby
3.5 mm
$ 294.47
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ID: 38543610 pcs
thumb image of 1.9ct Diamond-Cut Golden Green Demantoid Garnet (ID: 385436)
1.89 ct Demantoid Garnet
3.6 mm
$ 131.73
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ID: 4227706 pcs
thumb image of 1.3ct Diamond-Cut Yellow Golden Sapphire (ID: 422770)
1.29 ct Sapphire
3.6 mm
$ 38.70
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Round Shape 3.5 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 3.5 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