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Buy Round Shape 9mm Gems

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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (736): Round Shape 9mm Gems Clear All
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Yellow Cat's Eye Apatite Gem - 4.2ct Round Cabochon (ID: 494571)

Round Yellow Cat's Eye Apatite

4.2ct
9.1 mm
$ 29.26
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1 pc
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Rose Malaya Garnet Gem - 3.8ct Round Facet (ID: 329835)

Round Pink Malaya Garnet

3.8ct
8.9 mm
$ 152.00
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2 pcs
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Swiss Blue Topaz Gem - 6.9ct Spherical (ID: 337596)

Sphere / Ball Blue Topaz

6.92 ct (total 13.84ctw)
8.7 mm
$ 101.86
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Light Blue Aquamarine Gem - 2.2ct Round Facet (ID: 509750)

Round Blue Aquamarine

2.2ct
9.1 mm
$ 131.40
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2 pcs
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Orange Sunstone Gem - 2.3ct Round Facet (ID: 480897)

Round Orange Sunstone

2.28 ct (total 4.55ctw)
8.8 mm
$ 24.57
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2 pcs
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Black Star Diopside Gem - 5.1ct Round Cabochon (ID: 502620)

Round Black Star Diopside

5.05 ct (total 10.09ctw)
9.1 mm
$ 20.18
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Orange Sunstone Gem - 2.5ct Round Cabochon (ID: 482237)

Round Orange Sunstone

2.5ct
8.9 mm
$ 13.81
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2 pcs
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Black Star Diopside Gem - 5ct Round Cabochon (ID: 502192)

Round Black Star Diopside

4.99 ct (total 9.97ctw)
9.1 mm
$ 19.94
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2 pcs
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Orange Sunstone Gem - 2.2ct Round Facet (ID: 480658)

Round Orange Sunstone

2.16 ct (total 4.32ctw)
8.8 mm
$ 23.33
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4 pcs
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Black Spinel Gem - 3.4ct Round Rose-Cut (ID: 383930)

Round Black Spinel

3.43 ct (total 13.70ctw)
9.1 mm
$ 41.10
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2 pcs
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Orange Sunstone Gem - 2.5ct Round Facet (ID: 480764)

Round Orange Sunstone

2.49 ct (total 4.98ctw)
9 mm
$ 26.89
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6 pcs
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Red Brown Rutile Quartz Gem - 5.2ct Drilled Sphere (ID: 423130)

Sphere / Ball Brown Rutile Quartz

5.16 ct (total 30.93ctw)
9.2 mm
$ 30.93
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4 pcs
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Black Spinel Gem - 3.4ct Round Rose-Cut (ID: 383961)

Round Black Spinel

3.41 ct (total 13.63ctw)
9.1 mm
$ 40.89
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2 pcs
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Orange Sunstone Gem - 2.5ct Round Facet (ID: 480800)

Round Orange Sunstone

2.46 ct (total 4.92ctw)
9 mm
$ 26.57
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4 pcs
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Black Spinel Gem - 3.4ct Round Rose-Cut (ID: 383965)

Round Black Spinel

3.41 ct (total 13.63ctw)
9.1 mm
$ 40.89
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2 pcs
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Black Star Diopside Gem - 4.9ct Round Cabochon (ID: 502186)

Round Black Star Diopside

4.90 ct (total 9.80ctw)
9.1 mm
$ 19.60
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2 pcs
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Orange Sunstone Gem - 2.4ct Round Facet (ID: 480651)

Round Orange Sunstone

2.38 ct (total 4.75ctw)
8.9 mm
$ 25.65
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2 pcs
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Black Star Diopside Gem - 4.8ct Round Cabochon (ID: 502623)

Round Black Star Diopside

4.82 ct (total 9.64ctw)
9.1 mm
$ 19.28
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2 pcs
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Orange Sunstone Gem - 2.5ct Round Facet (ID: 480799)

Round Orange Sunstone

2.50 ct (total 5.00ctw)
9 mm
$ 27.00
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4 pcs
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Black Spinel Gem - 4ct Round Rose-Cut (ID: 383962)

Round Black Spinel

3.97 ct (total 15.88ctw)
9.1 mm
$ 47.64
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4 pcs
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Black Spinel Gem - 3.5ct Round Rose-Cut (ID: 378694)

Round Black Spinel

3.52 ct (total 14.07ctw)
9 mm
$ 42.21
Item in Stock
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.

Certified Customer Reviews
Overall Rating -> 10 star ratings
I love that I was able to find a site that offers REAL gemstones. I love the pictures provided of the gems so I can look at each one from different angles, I love the variety of gems on the site & I love the ability to narrow down my search to look at certain gems that fit my criteria.
Posted By Risuna in January, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Always a pleasure to do business with you. Gems have always been as pictured, certificate option is appreciated.
Posted By Lawrencekramer in January, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
My experience with gemselect was awesome so far. I had a few questions about their website and making orders and they replied quickly and were happy to help. I have not received the items I ordered yet as I just ordered them this morning. Although, I truly feel I am going to be a very happy customer once I do receive my items. Gemselect guarantees all their items and have a great return policy just incase. The have a vast selection of all kinds of stones and not to mention their prices are much better than some other websites. Thanks Gemselect I’ll be doing business here from now on!
Posted By Jpapaleo in January, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I was very happy on the quality of the gemstones I recieved from GemSelect, I will deffinetly buy again.
Posted By Mckeg in January, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Great, easy to use, efficient!
Posted By Olive in January, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
Great selection. Love the many learning features like articles and gem information. Prices competitive for natural stones. I do miss not having a selection of lab-made stones, CZ’s, etc, which are useful when price and cost are factors.
Posted By Dirk in January, 2019
Source: Bizrate
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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