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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Overall Rating -> 10

This is only the second time I have ordered from GemSelect. I am a prolific gemstone collector and I wish I had found this site sooner!

Posted By Beachcomber in September, 2023

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Overall Rating -> 10

I am excited for my first order, search tools were a great help to find the sapphire I needed for my next project! Thank you

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Overall Rating -> 10

I purchase all of my stones from GemSelect! They're the best I've found for both selection and value.

Posted By Terry in June, 2023

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Overall Rating -> 8

I did not realize how small the stone was. I cannot use it for the project I wanted, but I am keeping the stone and tru to use it in something else.

Posted By Mark in March, 2024

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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

Great selection of various gems, easy to navigate site

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

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Overall Rating -> 10

Trustworthy site. I've had several good experiences with company. Products always have met my expectations. Thank you.

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Overall Rating -> 10

Love Gem select. great gems for the price. Can't beet them

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Overall Rating -> 10

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Posted By Kyle in December, 2023

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Overall Rating -> 10

Selection ability was straightforward and easy.

Posted By Dave in May, 2023

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Overall Rating -> 10

I searched for the item by description and millimeter and had my choice come up and then made the best selection.

Posted By Tim in April, 2024

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Overall Rating -> 10

No issues at all. It was great.

Posted By LJXK in May, 2023

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Gemstones A-Z

Buy Round Shape 9mm Gems

5.25 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 11.9 x 10.1 mm

3.22 carat Pink Morganite, Pear loose Morganite from Afghanistan, Natural Untreated Gem, 13.1 x 8.7 mm

0.99 ct Oval Peridot, 6.1 x 4.1 mm From China

3.11 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.6 mm

6.07 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 9 x 9 mm

0.47 ct Loose Yellow Sapphire, 4.5 x 2.4 mm Baguette Cut From Tanzania

29.92 ct Cushion Fossil Coral, 21.3 x 13.7 mm From Indonesia

1.68 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 8.1 x 6.1 mm

1.71 carat Red Spessartite Garnet, Round loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 4.2 mm

0.58 ct Loose White Sapphire, 4.7 mm Round Cut From Tanzania

0.73 ct Loose Pink Sapphire, 5.8 x 3.9 mm Oval Cut From Madagascar

0.53 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 5 x 4.9 mm

10.6 ct Baguette Labradorite, 16 x 12 mm From Madagascar

3.92 carat Sky Blue Topaz, Heart loose Topaz from Cambodia, Natural Gem, 10.1 x 10.1 mm

0.82 ct Loose White Sapphire, 4.5 mm Diamond Cut From Madagascar

2.13 ct Cushion Cut Peridot, 8.4 x 6.6 mm From Myanmar

1.78 ct Oval Cut Fire Opal, 11.9 x 8.4 mm From Mexico

4.28 carat Sky Blue Topaz, Heart loose Topaz from Cambodia, Natural Gem, 10 x 10 mm

9.51 ct Octagon Cut Smoky Quartz, 12.9 x 12.8 mm From Brazil

6.53 ct Round Cat's Eye Scapolite, 10.7 mm From Madagascar

1.94 carat Round Cabochon Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.4 mm

2.69 ct Green Agate, 16.9 x 9 mm Carved From India

1.49 ct Oval Sillimanite Cat's Eye, 8.1 x 5.6 mm From Madagascar

0.75 carat Green Sapphire, Oval loose Sapphire from Tanzania, Natural Gem, 5.8 x 4.9 mm

0.66 ct Loose Yellow Sapphire, 5.7 x 4.1 mm Oval Cut From Tanzania

0.59 carat Purple Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 6.4 x 4.3 mm

0.45 ct Loose White Sapphire, 4.3 mm Diamond Cut From Madagascar

1.67 ct Loose Red Tourmaline, 8.2 x 6.2 mm Oval Cabochon From Mozambique

1.22 ct Green Sphene, 6.1 mm Round Cut From Sri Lanka

6.14 carat Swiss Blue Topaz, Emerald-Cut loose Topaz from Cambodia, Natural Gems, 8.2 x 8.1 mm

3.57 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gems, 11.5 x 8.4 mm

3.34 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 14.6 x 7 mm

Gemstone Information

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