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

Selection and purchasing online was very easy

Posted By Aggy in January, 2024

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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 -> 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

I’ve enjoyed purchasing stones from this site. It’s convenient and fairly priced.

Posted By Chico 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

Everything was fine.

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Overall Rating -> 10

Great Job today! No issues!

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Overall Rating -> 10

Interested in unusual stones and found many that I purchased or will purchase in the near future. I have been a customer of gem select for almost ten years and have always been pleased with buying experience and the delivered product

Posted By Fairhope Pete in December, 2023

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Overall Rating -> 10

Todo muy bien en la compra ahora esperar recibir el pedido.

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Overall Rating -> 10

My first order. I am anxious to see if what I ordered is what I receive.

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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

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Overall Rating -> 10

I was looking for a source for affordable genuine gemstones for my grandson who is currently very interested in rocks and gems. I was quite surprised and pleased to find GemSelect and finding the right stones at the right price couldn't have been simpler.

Posted By Papa in December, 2023

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Overall Rating -> 10

Everthing about researching and ordering from Gemselect was easy and uncomplicated. In the past I had payment problems, but your customer rep, Thomas, helped me get everything right. I will continue using Gemselet in the future for these reasons.

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Overall Rating -> 10

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Overall Rating -> 10

Always an easy experience using Gem select.

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Gemstones A-Z

Buy Oval Shape 10x8 mm Gems

22.28 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 28.9 x 16.9 mm

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

3.51 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6 x 6 mm

1.33 ct Loose Princess Cut Sapphire, 2.2 x 2.2 mm From Tanzania

19.68 ct Oval Tiger's Eye, 24.7 x 16.6 mm From Thailand

4.59 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 21.2 x 9.9 mm

2.84 ct Blue Kyanite, 9.6 x 7.2 mm Oval Cut From Nepal

15.26 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 24.9 x 12.9 mm

0.31 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.8 mm

2.7 ct Orange Agate, 6.1 x 4.1 mm Oval Cut From India

2.51 ct Cushion Cut Peridot, 9.6 x 6.9 mm From Myanmar

0.04 ct Black Diamond, 2.1 mm Diamond Cut From India

21.93 carat White Scolecite, Pear loose Scolecite from South Africa, Natural Untreated Gem, 28.8 x 28.1 mm

1.86 ct Orange Sunstone, 9.3 x 7.3 mm Oval Cut From India

0.99 ct Oval Cut Chrysoberyl, 7 x 5.1 mm From Sri Lanka

2.34 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 13.2 x 8.8 mm

2.43 ct Oval Checkerboard Rainbow Moonstone, 7 x 6 mm From India

1.33 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

37.12 ct Oval Jasper, 33.4 x 19.4 mm From Indonesia

0.12 ct Black Diamond, 1.9 x 1.8 mm Princess Cut From India

1.1 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.4 x 5.3 mm

15.16 ct Baguette Seraphinite, 14.1 x 10.1 mm From Russia

0.38 ct Loose Yellow Sapphire, 3.9 x 3.8 mm Cushion Cut From Madagascar

0.85 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 5 x 5 mm

1.03 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.7 mm

1.43 carat White Zircon, Diamond-Cut loose Zircon from Myanmar, Natural Gems, 5 mm

0.8 ct Loose Yellow Sapphire, 3.9 x 3.8 mm Princess Cut From Tanzania

0.61 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6 x 5 mm

48.51 carat Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 27 x 21.7 mm

3.26 ct Yellow Quartz, 8.7 x 8.4 mm Carved From Brazil

0.86 carat Oval Peridot, loose Certified Peridot from China, Natural Untreated Gem, 7.1 x 5.1 mm

0.74 ct Oval Black Opal, 8 x 6.1 mm From Ethiopia

Gemstone Information

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