Calibrated 8 x 6 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 8 x 6 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 was pleased with the selection of gems, the ease of navigating, and the smooth checkout

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Overall Rating -> 8

Found on a search engine. Scanned inventory and made a small purchase.

Posted By Ralli in August, 2023

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Overall Rating -> 10

Love Gem select. great gems for the price. Can't beet them

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Overall Rating -> 10

I really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

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Overall Rating -> 10

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Overall Rating -> 10

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

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Overall Rating -> 8

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 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

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

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Overall Rating -> 10

Convenient selection, arrival on time

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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.

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Overall Rating -> 10

Easy to use as always and in all steps from opening site to paying.

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Overall Rating -> 10

I have had and will always have a great time shopping at GemSelect. It's a great web site with great products and great service.

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Gemstones A-Z

Buy Oval Shape 8x6 mm Gems

1.39 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.1 x 3.7 mm

1.85 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 x 6.2 mm

0.71 ct Oval Cut Fire Opal, 8 x 6.1 mm From Mexico

6.38 ct Oval Cat's Eye Opal, 14.3 x 10.9 mm From Madagascar

12.56 ct Heart Jasper, 21.8 x 11.2 mm From Indonesia

3.36 ct Oval Malachite, 10 x 7 mm From Congo

0.64 ct Yellow Beryl, 7.1 x 4.9 mm Oval Cut From Madagascar

1.45 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gems, 6.1 x 4.9 mm

1.13 ct Loose Yellow Sapphire, 7.5 x 5 mm Cushion Cut From Tanzania

2.15 ct Square Cut Rainbow Moonstone, 2.9 x 2.9 mm From India

3.92 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 3.9 x 3.9 mm

24.19 ct Oval Jasper, 24.8 x 18.1 mm From Indonesia

1.7 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.2 mm

6.95 ct Purple Kunzite, 15.3 x 8.3 mm Oval Cut From Afghanistan

6.94 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 16.3 x 12.1 mm

2.32 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 9 x 5.8 mm

28.87 ct Loose Pear Bloodstone, 39.8 x 20.3 mm From Madagascar

1.48 ct Oval Sillimanite Cat's Eye, 6.8 x 5.5 mm From Madagascar

2.89 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gems, 7.1 x 7.1 mm

35.14 ct Green Jadeite, 28.5 x 22.1 mm Oval Cut From Myanmar

0.39 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 5.9 x 3.9 mm

17.4 ct Oval Cat's Eye Aquamarine, 19.9 x 11.5 mm From Madagascar

2.39 carat Blue Sapphire, Briolette with Hole loose Sapphire from Sri Lanka, Natural Gems, 5.2 mm

0.45 carat Violet Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4.8 mm

13.73 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15 x 14.8 mm

3.64 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4 x 3.9 mm

2.98 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4 x 4 mm

3.75 ct Cushion Pietersite, 13.4 x 8.6 mm From Namibia

3.5 ct Yellow Quartz, 10.7 x 10.5 mm Carved From Brazil

1.76 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6.1 x 6.1 mm

28.04 ct Cushion Fossil Coral, 20.2 x 13.5 mm From Indonesia

0.67 ct Loose Purple Sapphire, 8.3 x 4.5 mm Odd Shaped From Tanzania

Gemstone Information

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