Calibrated 14 x 12 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 14 x 12 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

Very detailed and great pictures

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Great selection

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Overall Rating -> 9

Gemselect is a good website with a great selection of loose gems for sale. The prices are fairly decent, with the only negative being the cut quality of the gems. This is my go to retailer for gemstones and will continue to be, given that the packages arrive in a timely manner.

Posted By Lunchies in April, 2024

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Gem Select has gems at afffordable prices.

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

Posted By MAGSMX in August, 2023

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The selection and filtering is a little overwhelming, but that's only because there is so much to choose from.

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great. thank you

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this was very easy im exited to get my order

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Easy to use website, made it very easy to buy. Will shop here again.

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Always have good experience

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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 -> 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

Great selection, I love your site! Great product visibility, information, etc.

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Gemstones A-Z

Buy Oval Shape 14x12 mm Gems

9.25 carat Pear Ruby-Zoisite, loose Certified Ruby-Zoisite from Tanzania, Natural Untreated Gem, 18.3 x 9.9 mm

1.58 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.6 x 3.5 mm

3.37 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.2 x 4.1 mm

1 ct Oval Cut Peridot, 7.7 x 5.5 mm From China

41.15 ct Round Hematite, 21.6 mm From Brazil

26.09 ct Oval Cat's Eye Opal, 26.6 x 14.1 mm From Brazil

1.72 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18.4 x 3.4 mm

3.75 carat Carved Leaf Ruby, loose Certified Ruby from Madagascar, Natural Gem, 14.2 x 11.2 mm

10.03 ct Marquise Cut Rainbow Moonstone, 22.4 x 11 mm From the United States

1.33 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 7.2 mm

5.62 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 15.7 x 11.5 mm

0.45 carat Green Sapphire, Heart loose Sapphire from Tanzania, Natural Gem, 4.7 x 4.6 mm

1.88 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.4 x 3.6 mm

28.34 ct Oval Nuummite, 22.9 x 16.5 mm From India

2.24 carat Oval Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 7.1 x 5.1 mm

0.86 ct Loose Pink Sapphire, 5 x 4.1 mm Oval Cut From Madagascar

0.89 ct Octagon Cut Peridot, 7 x 5 mm From China

0.32 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.7 x 3.6 mm

1.79 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.2 x 4.2 mm

0.33 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.9 mm

3.08 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 7.1 x 7.2 mm

2.42 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gem, 7.5 mm

46.03 ct Round Jasper, 24.6 mm From Mexico

0.79 ct Octagon Cut Color-Change Diaspore, 6.6 x 4.3 mm From Turkey

2.26 ct Yellow Apatite, 10.3 x 7.6 mm Oval Cut From Madagascar

2.44 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.8 x 4.8 mm

1.59 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16.4 x 3.4 mm

8.88 ct Oval Cut Prehnite, 16 x 12.1 mm From South Africa

17.62 carat Oval Tiger's Eye, loose Certified Tiger's Eye from Thailand, Natural Untreated Gem, 28.5 x 14.7 mm

0.43 ct Loose Orange Sapphire, 5.4 x 3.7 mm Oval Cut From Tanzania

0.93 ct Square Buff Top Peridot, 5.7 x 5.7 mm From China

0.71 ct Red Andesine Labradorite, 7.2 x 5.1 mm Oval Checkerboard From Congo

Gemstone Information

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