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

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 -> 8

Very easy to find the specific stone I was looking for. I am pleased by both the selection and the price of the stones that are available. The only "bad" thing that I have to say is that the interface of the site is outdated.

Posted By Nick in March, 2024

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Overall Rating -> 10

The website is user friendly, has excellent selection. I've always found what I was looking for with Gem Select. When others don't have it they do. And most important, they have a way for you to pay without using PayPal. I cannot use PayPal they closed my account because of no cell phone.

Posted By NJD in September, 2023

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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

Great experience! First time buyer

Posted By Todi89 in February, 2024

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Overall Rating -> 10

I have used GemSelect for several years and plan to shop more in the further. This is a good source of information on gemstones. I love looking at and learning about them. Lot more than I ever knew existed.

Posted By Bikerwalrus in October, 2023

Source: Bizrate

Overall Rating -> 10

Wonderful selection of gems to choose from. Have made many purchases and was only slightly disappointed once.

Posted By Teemo in February, 2024

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Overall Rating -> 10

Always have good experience

Posted By Ginnie in September, 2023

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Overall Rating -> 10

Fine. All emails answered. Excellent service. Nice discount added for orders. Briefly, a very good experience.

Posted By C.J. in February, 2024

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Overall Rating -> 9

It went well

Posted By Rob in December, 2023

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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

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Overall Rating -> 10

It was easy to search and find what i wanted

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Overall Rating -> 10

The site was easy to shop and the payment was secure. I’m looking forward to receiving my order!

Posted By JAB93 in June, 2023

Source: Bizrate

Overall Rating -> 10

It was easy to navigate and I hope that the gem is as nice as the picture

Posted By 1 in April, 2024

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Overall Rating -> 10

it was good

Posted By Bobk in January, 2024

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Gemstones A-Z

Buy Oval Shape 10x8 mm Gems

15.51 ct Carved Ruby-Zoisite, 16.9 x 15 mm From Tanzania

56.12 ct Baguette Hematite, 19.7 x 14.6 mm From Brazil

7.04 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15.9 x 11.9 mm

2.13 ct Loose Princess Cut Sapphire, 2.4 x 2.3 mm From Tanzania

31.34 carat Blue Green Aquamarine, Oval loose Aquamarine from Madagascar, Natural Untreated Gem, 33.9 x 14.6 mm

0.07 ct Black Diamond, 2.5 mm Diamond Cut From India

10.82 ct Oval Nuummite, 16.8 x 12.9 mm From India

2.13 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 9.9 x 7.9 mm

2.36 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.6 x 6.7 mm

14.81 ct Marquise Agate, 26.5 x 12 mm From Indonesia

1.51 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.4 x 5.8 mm

21.31 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 19 x 17.1 mm

11.46 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8.2 mm

1.06 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 5.5 mm

1.73 ct Round Prehnite, 7.2 mm From South Africa

0.63 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.2 x 4.2 mm

3.28 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6 x 4.1 mm

4.76 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12 x 9.8 mm

20.05 ct Pencil Cut Jasper, 31.5 x 9.8 mm From Indonesia

3.44 ct Yellow Andesine Labradorite, 11.2 x 8.6 mm Oval Cut From Congo

12.02 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 25.9 x 11 mm

0.73 ct Loose Yellow Sapphire, 5.1 mm Round Cut From Tanzania

0.58 ct Round Cut Color-Change Diaspore, 4.7 mm From Turkey

1.3 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.1 mm

1.08 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.1 x 4.6 mm

5.95 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 15.1 x 11 mm

0.6 ct Loose Pink Sapphire, 5.1 mm Round Cut From Madagascar

1.39 ct Round Concave Cut Mystic Quartz, 8 mm From Brazil

0.41 ct Orange Sphalerite, 4.7 x 4.6 mm Trillion Cut From Spain

1.02 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 6 x 3.9 mm

3.89 ct Yellow Sphene, 7.1 x 6.3 mm Oval Cut From Sri Lanka

43.63 carat Pear Charoite, loose Certified Charoite from Russia, Natural Untreated Gem, 31.3 x 25.4 mm

Gemstone Information

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