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 -> 9

GemSelect has a fantastic assortment of Semi-precious stones. I have not found any other web site with the variety you have.

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Overall Rating -> 10

Great experience! First time buyer

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Overall Rating -> 7

I feel pretty good so far, pending the delivery of the item ordered.

Posted By Steve in November, 2023

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Overall Rating -> 9

An it was good.

Posted By Miguel in June, 2023

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Overall Rating -> 10

Perfect size I was looking for and great price

Posted By Izzy in September, 2023

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Overall Rating -> 9

Overall good, shipping prices just seem a little on the high side.

Posted By Steve in August, 2023

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Overall Rating -> 10

Pleasant.

Posted By Mk in November, 2023

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Overall Rating -> 10

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

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Overall Rating -> 10

Very good, very fast, everything as described.

Posted By B in October, 2023

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Overall Rating -> 10

I bought a small ring green so I may practice my jewelry making.

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

Website was incredibly easy and fast to use. Navigation and product outlay was simple and enjoyable to browse. Thank you and have a blessed day!

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Overall Rating -> 10

My last experience was good, in fact every experience I have had with them has met my expectations or surpassed them. These are really good people to work with.

Posted By Spinach in May, 2023

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Overall Rating -> 10

I love your selection of gems. My only complaing is I wish I could put in a page number to return to that page.When there are over 60 pages of gems it is hard to return to a page with a gem I am considering.

Posted By Cahall in March, 2024

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Gemstones A-Z

Buy Oval Shape 10x8 mm Gems

23.32 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.1 mm

1.39 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm

3.19 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 28.6 x 3.7 mm

23.15 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 19.6 x 14.7 mm

2.55 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 8.8 x 6.4 mm

2.38 carat Opal, loose Certified Opal from Ethiopia, Natural Gem, 16.1 x 8.3 mm

0.64 ct Oval Cut Color-Change Diaspore, 5.4 x 4.8 mm From Turkey

1.34 ct Oval Chrysoberyl Cat's Eye, 7 x 4 mm From Sri Lanka

2.73 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.2 x 4.2 mm

22.83 carat Pear Obsidian, loose Certified Obsidian from the United States, Natural Untreated Gem, 28.4 x 22.8 mm

10.82 ct Loose Oval Agate, 14.7 x 11.5 mm From Indonesia

0.26 ct Octagon Cut Iolite, 5.1 x 3 mm From Madagascar

1.76 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 7.7 x 5.8 mm

7.58 carat Bi-color Ametrine, Emerald-Cut loose Ametrine from Brazil, Natural Untreated Gem, 10.9 x 10.9 mm

1.25 carat Orange Sunstone, Oval loose from India, Natural Untreated Gem, 8 x 6.1 mm

21.96 ct White Amazonite, 35.9 mm Pencil Cut From Madagascar

0.53 ct Purple Spinel, 4.8 mm Round Cut From Tanzania

1.58 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5 x 4.9 mm

3.12 ct Round Cut Peridot, 4.9 mm From China

3.51 ct Blue Kyanite, 11.4 x 8.1 mm Oval Cut From Nepal

4.09 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.1 x 9.8 mm

1.34 ct Round Cut Rainbow Moonstone, 7.1 mm From the United States

2.15 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 8.3 x 8.3 mm

1.17 ct Pink Morganite, 6.9 mm Round Cut From Afghanistan

66.95 carat Oval Star Garnet, loose Certified Star Garnet from India, Natural Untreated Gem, 21.8 x 18.6 mm

0.38 ct Oval Chrysoberyl Cat's Eye, 3.9 x 3.8 mm From Sri Lanka

1.03 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gems, 5.1 x 5.1 mm

2.33 carat Blue Sapphire, Briolette with Hole loose Sapphire from Sri Lanka, Natural Gems, 5.4 mm

11.37 ct Fancy Jasper, 18.6 x 12.8 mm From Indonesia

12.63 ct Odd Shaped Druzy Variscite, 25.5 x 14.5 mm From Australia

2.43 carat Pink Morganite, Pear loose Morganite from Afghanistan, Natural Untreated Gem, 10.9 x 7 mm

15.72 ct Oval Labradorite, 22.5 x 15.8 mm From Madagascar

Gemstone Information

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Gemstone EDUCATION

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