Calibrated 9 mm Round Shape Loose Natural Gemstones from GemSelect

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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Gemstone Information

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Overall Rating -> 10

Everything fine.

Posted By Hilario in December, 2023

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Overall Rating -> 10

Easy to use as always and in all steps from opening site to paying.

Posted By Pete in February, 2024

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Overall Rating -> 9

My first purchase went well. I will purchase more gems in the future.

Posted By NoHalalAl in March, 2024

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Overall Rating -> 10

I love the clear description of the certification options. It's very rare to see a gem site that offers a deep explanation of each institution that would certify the stone(s).

Posted By Oakcityceo in May, 2023

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Overall Rating -> 10

Great experience! First time buyer

Posted By Todi89 in February, 2024

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Overall Rating -> 9

Everything was good but since I am still new I was surprised at how small the stones where.

Posted By Js in May, 2023

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Overall Rating -> 9

Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

Posted By Erick in July, 2023

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Overall Rating -> 10

I have received emails for about a year and today is the condition that had me decide on the purchase

Posted By Tim in April, 2024

Source: Bizrate

Overall Rating -> 10

I was looking for ammolite for my husband. Other websites are not always clear about whether they have genuine ammolite or simulated ammolite. I have purchased from GemSelect before and trust that the stones are genuine. Finding the stones I want is easy, and I love all of the search filter options!

Posted By Ana in September, 2023

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Overall Rating -> 10

Easy and fast

Posted By Mark in February, 2024

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Overall Rating -> 10

Excellent site.

Posted By Boru in December, 2023

Source: Bizrate

Overall Rating -> 10

Easy to use website, made it very easy to buy. Will shop here again.

Posted By Bjorn in January, 2024

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Overall Rating -> 10

I love GemSelect, photos and details are great.

Posted By #1 in February, 2024

Source: Bizrate

Overall Rating -> 10

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024

Source: Bizrate

Overall Rating -> 10

Gem Select has gems at afffordable prices.

Posted By George in March, 2024

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Gemstones A-Z

Buy Round Shape 9mm Gems

0.86 ct Octagon Cut Color-Change Diaspore, 6.3 x 4.3 mm From Turkey

0.93 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 4 mm

42.95 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 46 x 28.4 mm

1.26 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 5 mm

0.44 carat Oval Ruby, loose Certified Ruby from Myanmar, Natural Gem, 5 x 3.9 mm

6.36 ct Round Ruby-Zoisite, 11.2 mm From Tanzania

2.44 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.4 x 6.2 mm

36.09 carat Bi-color Ametrine, Pear Shape loose Ametrine from Brazil, Natural Untreated Gem, 28.5 x 17.8 mm

1.18 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 9.8 x 4.3 mm

3.8 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4 x 4 mm

25.55 ct Oval Moss Agate, 28.7 x 14.1 mm From India

5.01 ct Yellow Moonstone, 12.1 x 10.1 mm Oval Cut From India

0.21 ct Oval Chrysoberyl Cat's Eye, 3.5 x 3.4 mm From Sri Lanka

8.02 ct Amethyst Geode Slice, 19.7 x 11.8 mm From Brazil

0.26 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.6 x 3.5 mm

4.28 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4 x 3.9 mm

1.15 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15 x 3.9 mm

1.18 carat Red Malaya Garnet, Marquise Cut loose Malaya Garnet from Tanzania, Natural Untreated Gem, 9.9 x 5 mm

4.49 ct White Moonstone, 11.7 x 9.7 mm Oval Cut From India

3.61 carat Pear Prehnite, loose Certified Prehnite from South Africa, Natural Untreated Gem, 12.3 x 8.4 mm

24.92 carat Green Tourmaline, Carved Flower loose Tourmaline from Mozambique, Natural Untreated Gem, 22.4 x 18.4 mm

7.43 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

0.57 ct Green Sphene, 5.8 x 4.5 mm Oval Cut From Sri Lanka

189.25 ct Yellow Quartz, 41.6 x 33.5 mm Oval Cut From Brazil

1.23 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 19.7 x 2.9 mm

26.42 ct Rainbow Pyrite, 25.8 x 24.4 mm From Russia

2.65 carat Square Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 3.7 x 3.7 mm

3.17 ct Oval Prehnite, 9.8 x 8.4 mm From South Africa

1.17 ct Blue Kyanite, 7.1 x 5.1 mm Oval Cut From Nepal

3.36 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 8 mm

4.01 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 14.2 x 8.6 mm

23.35 ct Pencil Cut Tiger's Eye, 34.7 x 9.6 mm From Thailand

Gemstone Information

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