Calibrated 9 x 7 mm Octagon / Emerald-Cut Natural Gemstones: 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 Octagon shape / Emerald-Cut, faceted and cabochon gems available now in 9 x 7 mm 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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

The website was very easy to navigate. We appreciated the details about each gem, and the sort and search features of the website were helpful and easy to use.

Posted By AV in May, 2023

Source: Bizrate

Overall Rating -> 10

I find the website user friendly.

Posted By Becky in August, 2023

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Overall Rating -> 10

first time here sooooooooooo we will seeeee!!!!! so far so good!!!!!!

Posted By Seastone 56 in October, 2023

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Overall Rating -> 10

Great selection, I love your site! Great product visibility, information, etc.

Posted By John in February, 2024

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Overall Rating -> 10

Always an easy experience using Gem select.

Posted By Jeff in November, 2023

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Overall Rating -> 10

Very easy. I have purchased a few times before and was satisfied each time. Thank you.

Posted By Ray in December, 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

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

Posted By Nikki J in September, 2023

Source: Bizrate

Overall Rating -> 10

this was very easy im exited to get my order

Posted By Mr. in April, 2024

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Overall Rating -> 10

Extremely easy to use, and I am fully satisfied with the purchase process.

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Overall Rating -> 10

I loved the opportunity to shop on a website that I could trust 👍

Posted By Will J. Lover in September, 2023

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Overall Rating -> 10

I have used this site for sseveral years now. All has been great. I started collection gems from GemSelect for years and wanted to collect at least one of most stones. I loved Safers because the mols is a 9 + and they come in every color. This is the best place to buy gems for the assortment and price. Great place to learn about gems too. Sometimes the shipping is a little on the long side. But I would give them a 9.9 out of 10 !!

Posted By Steve in July, 2023

Source: Bizrate

Overall Rating -> 10

Had a problem ordering first time. Someone from Gem Select reached out to me and cleared problem and I made purchase.

Posted By Myrtle in February, 2024

Source: Bizrate

Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023

Source: Bizrate

Overall Rating -> 10

The website is easy to navigate and has a great selection. I am an amateur silver smith casting jewelry with stones

Posted By Jrplunk in April, 2024

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Gemstones A-Z

Buy Octagon Shape 9x7 mm Gems

2.37 ct Brown Moonstone, 7.4 x 7.4 mm Carved From India

4.5 carat Sky Blue Topaz, Marquise Cut loose Topaz from Brazil, Natural Gems, 9.9 x 5.1 mm

1.83 carat White Zircon, Diamond-Cut loose Zircon from Colombia, Natural Gem, 6.9 mm

0.92 ct Marquise Cut Color-Change Diaspore, 10.2 x 4.8 mm From Turkey

1.31 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 7.7 x 5.8 mm

3.58 ct Asscher Cut Rose Quartz, 9.6 x 9.5 mm From South Africa

5.59 carat Pink Morganite, Oval Portuguese-Cut loose Morganite from Afghanistan, Natural Untreated Gem, 11.9 x 10.4 mm

1.65 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 5.4 x 3.9 mm

1.09 ct Oval Cut Peridot, 7.9 x 5.9 mm From China

1.18 ct Loose Marquise Pietersite, 13.6 x 4.3 mm From Namibia

2.3 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6 mm

11.42 ct Yellow Quartz, 15.9 x 13.1 mm Cushion Cut From Brazil

4.05 ct Pink Kunzite, 10.6 x 6.8 mm Octagon Cut From Afghanistan

10.87 ct Oval Coral, 19.2 x 15.2 mm From Indonesia

1.67 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

3.87 carat White Topaz, Square loose Topaz from Brazil, Natural Untreated Gems, 4.2 x 4.2 mm

2.25 ct Oval Cut Andalusite, 5 x 3.1 mm From Brazil

1.57 ct Trillion Cut Kornerupine, 10.3 x 7.4 mm From Sri Lanka

33.07 ct Green Jadeite, 42.5 x 14.2 mm Carved From Myanmar

2.51 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.9 x 8 mm

5.58 ct Round Cut Smoky Quartz, 11.9 mm From Brazil

0.56 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 5 x 4.9 mm

7.2 ct Loose Oval Lapis Lazuli, 14.1 x 10.8 mm From Afghanistan

2.06 carat Swiss Blue Topaz, Fancy-Cut loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

35.26 ct Cushion Fossil Coral, 22.2 x 12.9 mm From Indonesia

10.4 ct Marquise Slice Ruby in Fuchsite, 27.6 x 11.9 mm From Ethiopia

2.78 ct Orange Sunstone, 7.1 x 5.1 mm Oval Cut From India

2.93 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

2.79 carat Emerald Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6 x 3.9 mm

1.66 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.5 mm

13.1 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gems, 15.2 x 11.1 mm

4.77 carat Sky Blue Topaz, Emerald Cut loose Topaz from Brazil, Natural Gems, 7 x 5 mm

Gemstone Information

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