Calibrated 7 x 5 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 7 x 5 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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Gemstone Information

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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

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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 -> 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

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

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Gemstones A-Z

Buy Oval Shape 7x5 mm Gems

1.05 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 6 mm

0.57 ct Loose Yellow Sapphire, 5.9 x 4 mm Oval Cut From Tanzania

23.37 ct Oval Checkerboard Labradorite, 21.9 x 15.8 mm From Madagascar

2.62 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 6.3 x 4.4 mm

9.04 ct Round Rutile Quartz, 13 mm From India

2.58 carat Swiss Blue Topaz, Briolette loose Topaz from Brazil, Natural Gem, 10.9 mm

5.58 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 6.8 x 5.1 mm

3.8 ct Orange Andesine Labradorite, 11.1 x 9.1 mm Oval Cut From Congo

1.54 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 5 mm

40.81 ct Cushion Fossil Coral, 21 x 14.2 mm From Indonesia

9.15 carat Bi-color Ametrine, Emerald-Cut loose Ametrine from Brazil, Natural Untreated Gem, 13.4 x 11.7 mm

8.18 ct Oval Coral, 18.5 x 12.5 mm From Indonesia

4.95 ct Blue Star Sapphire, 7 x 5.2 mm Oval Cut From Thailand

1.84 ct Marquise Tiger's Eye, 9.9 x 5.1 mm From Thailand

1.61 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16.9 x 3.5 mm

2.16 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 9.9 x 5 mm

18.72 ct Oval Pietersite, 30.1 x 22.1 mm From Namibia

2.78 ct Round Onyx, 7.1 mm From Sri Lanka

8.53 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gems, 20.2 x 10.2 mm

19.58 carat Blue Green Aquamarine, Oval loose Aquamarine from Madagascar, Natural Untreated Gem, 19.4 x 14.8 mm

9.99 carat Pear Maw-Sit-Sit, loose Certified Maw-Sit-Sit from Myanmar, Natural Untreated Gem, 14.8 x 11.7 mm

14.41 ct Oval Agate, 18.2 x 14.5 mm From Indonesia

8.01 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 11.2 x 9.1 mm

1.48 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.7 x 7.1 mm

44.74 ct Pencil Cut Strawberry Quartz, 38.6 x 12.5 mm From Russia

0.48 carat Green Sapphire, Cushion loose Sapphire from Tanzania, Natural Gem, 4.2 x 4.2 mm

8.46 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 11.4 x 9.2 mm

8.07 ct Octagon Cut Smoky Quartz, 11.5 x 11.4 mm From Brazil

14.91 ct Yellow Quartz, 20.1 x 15.2 mm Cushion Checkerboard From Brazil

17.67 carat Pear Howlite, loose Certified Howlite from the United States, Natural Untreated Gem, 23.6 x 18.5 mm

1.45 ct Purple Spinel, 6.8 x 6.2 mm Cushion Cut From Tanzania

10.8 ct Round Labradorite, 14.9 mm From Madagascar

Gemstone Information

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