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ID: 4397242 pcs
thumb image of 6.5ct Round Facet Swiss Blue Topaz (ID: 439724)
6.50ct Topaz
9.18 x 5.89mm
USD 41.54
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ID: 3902532 pcs
thumb image of 5.5ct Round Cabochon Gold Brown Tiger's Eye (ID: 390253)
5.45ct Tiger's Eye
9.08 x 4.42mm
USD 10.90
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ID: 3926122 pcs
thumb image of 5.6ct Round Cabochon Violet Amethyst (ID: 392612)
5.60ct Amethyst
9.02 x 4.63mm
USD 28.00
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ID: 4350632 pcs
thumb image of 10ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 435063)
9.98ct Rutile Quartz
8.79mm
USD 9.98
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ID: 4255512 pcs
thumb image of 7.4ct Round Facet White Topaz (ID: 425551)
7.42ct Topaz
9.03 x 6.42mm
USD 44.52
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ID: 4399022 pcs
thumb image of 6.4ct Round Facet Swiss Blue Topaz (ID: 439902)
6.36ct Topaz
9.14 x 5.80mm
USD 40.64
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ID: 3839584 pcs
thumb image of 14.8ct Round Rose-Cut Black Spinel (ID: 383958)
14.83ct Spinel
9.18 x 4.45mm
USD 44.49
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ID: 3777062 pcs
thumb image of 6.7ct Round Rose-Cut Black Spinel (ID: 377706)
6.72ct Spinel
9.03 x 4.11mm
USD 20.16
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ID: 4403381 pcs
thumb image of 4.1ct Round Facet Swiss Blue Topaz (ID: 440338)
4.05ct Topaz
9.20 x 6.81mm
USD 25.88
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ID: 4267442 pcs
thumb image of 6.7ct Round Rose-Cut Black Spinel (ID: 426744)
6.72ct Spinel
9.08 x 4.23mm
USD 23.52
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ID: 4010441 pcs
thumb image of 3.6ct Round Petal Cut Brown Smoky Quartz (ID: 401044)
3.62ct Smoky Quartz
9.36 x 8.14mm
USD 9.05
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ID: 3376591 pcs
thumb image of 7.4ct Spherical Swiss Blue Topaz (ID: 337659)
7.42ct Topaz
9.23mm
USD 57.34
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ID: 3839654 pcs
thumb image of 13.6ct Round Rose-Cut Black Spinel (ID: 383965)
13.63ct Spinel
9.07 x 4.15mm
USD 40.89
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ID: 3979321 pcs
thumb image of 2.8ct Round Cabochon Violet Amethyst (ID: 397932)
2.80ct Amethyst
8.87 x 4.86mm
USD 14.00
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ID: 2455291 pcs
thumb image of 2.9ct Round Cabochon Multicolor Ruby-Zoisite (ID: 245529)
2.86ct Ruby-Zoisite
9.07 x 4.01mm
USD 8.58
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ID: 3777072 pcs
thumb image of 7.3ct Round Rose-Cut Black Spinel (ID: 377707)
7.33ct Spinel
9.10 x 4.25mm
USD 21.99
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ID: 4367351 pcs
thumb image of 2.9ct Round Facet Violet Amethyst (ID: 436735)
2.94ct Amethyst
9.31 x 5.68mm
USD 14.70
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ID: 3784472 pcs
thumb image of 7.5ct Round Rose-Cut Black Spinel (ID: 378447)
7.49ct Spinel
9.17 x 4.29mm
USD 22.47
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ID: 4230904 pcs
thumb image of 21.8ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 423090)
21.75ct Rutile Quartz
9.15mm
USD 31.54
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ID: 4350551 pcs
thumb image of 5.7ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 435055)
5.73ct Rutile Quartz
9.24mm
USD 5.73
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ID: 4138881 pcs
thumb image of 2.8ct Round Facet Swiss Blue Topaz (ID: 413888)
2.84ct Topaz
8.73 x 5.30mm
USD 33.65
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Round Shape 9mm 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 9 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