Calibrated 10 x 8 mm Oval Shape Natural Loose 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 oval shapes, facet cut and cabochon gems available now in 10 x 8 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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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

Source: Bizrate

Overall Rating -> 10

Always an easy experience using Gem select.

Posted By Jeff in November, 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

Overall, the whole process was just great.

Posted By Thatoneguy in August, 2023

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Overall Rating -> 10

Convenient selection, arrival on time

Posted By Alin in February, 2024

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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.

Posted By Kate in December, 2023

Source: Bizrate

Overall Rating -> 10

Found the stone I wanted which was delivered quickly and met expectations.

Posted By GemGrammy in January, 2024

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Overall Rating -> 10

Everything fine.

Posted By Hilario in December, 2023

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Overall Rating -> 10

My only complaint is that there are so many beautiful and affordable stones that I get distracted from what I planned to order.

Posted By Phoenix in March, 2024

Source: Bizrate

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 -> 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

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Overall Rating -> 10

Easy to find products I want. I've ordered several times from gem select and never any problems. Will order again. Thank you.

Posted By Ray in January, 2024

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Overall Rating -> 9

Easy to use. Limited supply of higher quality gemstones.

Posted By Newfguy in February, 2024

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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

Purchasing from Gem Select was a pleasant and easy experience. The photos of the stones I was interested in were an accurate depiction of the stones I received. Ordering was easy and the items arrived within a week. Over all it was a very positive experience.

Posted By Dee in September, 2023

Source: Bizrate

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Gemstones A-Z

Buy Oval Shape 10x8 mm Gems

15.17 ct Carved Smoky Quartz, 30 x 17.6 mm From Brazil

5.74 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 9.9 x 7.9 mm

10.64 ct Oval Cat's Eye Opal, 14.1 x 14.1 mm From Brazil

2.66 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 10 x 6.9 mm

3.36 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

1.2 ct Loose Orange Hessonite Garnet, 6.6 x 5.1 mm Octagon Cut From Madagascar

4.31 carat Pink Morganite, Pear loose Morganite from Afghanistan, Natural Untreated Gem, 14 x 9.1 mm

1.36 ct Blue Kyanite, 7.1 x 5.2 mm Oval Cut From Nepal

3.53 ct Asscher Cut Rose Quartz, 9.9 x 9.8 mm From South Africa

0.3 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4.1 mm

0.82 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 8.2 x 4.1 mm

3.07 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 14.8 x 7.1 mm

6.66 ct Oval Agate, 11.4 x 11.1 mm From Indonesia

1.9 ct Orange Sunstone, 8.6 mm Round Cut From India

0.77 carat Green Tourmaline, Cushion loose Tourmaline from Mozambique, Natural Untreated Gem, 6.2 x 5.1 mm

40.69 ct Cushion Charoite, 31.9 x 25.1 mm From Russia

4.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.9 x 9.8 mm

7.33 ct Fancy Fire Agate, 15.7 x 10 mm From Mexico

11.48 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 17.6 x 12.3 mm

14.07 ct Loose Pear Bloodstone, 31.1 x 14.2 mm From Madagascar

14.78 ct Oval Star Ruby, 15.6 x 12.9 mm From Madagascar

7.09 ct Fancy Fire Agate, 13.1 x 11.9 mm From Mexico

1.6 ct Oval Cut Strawberry Quartz, 9.1 x 7.1 mm From Russia

2.1 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 7.8 x 7.6 mm

73.22 ct Carved Ruby-Zoisite, 47.1 x 23.9 mm From Tanzania

1.12 ct Purple Spinel, 6.4 x 5.9 mm Cushion Cut From Tanzania

1.06 carat Purple Spinel, Pear Shape loose Spinel from Tanzania, Natural Untreated Gem, 7.6 x 5.4 mm

1.05 ct Round Cat's Eye Moonstone, 5.6 mm From India

1.11 ct Blue Kyanite, 7.2 x 5.2 mm Oval Cut From Nepal

3.02 ct Octagon Cut Rose Quartz, 8.8 x 8.7 mm From South Africa

1.33 ct Oval Black Opal, 8.2 x 7 mm From Ethiopia

2.4 ct White Moonstone, 9.1 x 7 mm Oval Cut From India

Gemstone Information

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