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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Great selection of various gems, easy to navigate site

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LOVE YOU GUYS. YOU CARRY EVERY GEMSTON I WANT. THE PRICE IS GREAT,THE PRODUCT IS OUTSTANDING,AND THE SERVICE CANT BE BEET.

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Overall Rating -> 10

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

Was easy to search for many gems and mineral stones.Authenticity of natural stones is important, and I feel this site offers some assurance on this.

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Love gemselect

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Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023

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Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

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Overall Rating -> 10

The website is easy to navigate and has a great selection. I am an amateur silver smith casting jewelry with stones

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Overall Rating -> 10

Easy to find the stones I was looking for. Always good quality stones

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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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Overall Rating -> 10

I love GemSelect, photos and details are great.

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Overall Rating -> 10

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

Posted By T-bone in October, 2023

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Overall Rating -> 10

Everything was fine.

Posted By Matt in March, 2024

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Gemstones A-Z

Buy Oval Shape 14x12 mm Gems

2.9 ct Loose Pear Dendritic Agate, 14 x 9.9 mm From India

5.51 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 9.7 x 9.9 mm

0.85 ct Yellow Sphene, 6 x 5.1 mm Oval Cut From Sri Lanka

3.25 carat Swiss Blue Topaz, Trillion-Cut loose Topaz from Brazil, Natural Gems, 7.2 x 7.3 mm

7.94 ct Carved Prehnite, 16.6 x 10.3 mm From South Africa

1.32 ct Pink Morganite, 8.8 x 6.7 mm Oval Cut From Afghanistan

66.65 ct Cushion Jasper, 41.3 x 30.6 mm From Indonesia

4.41 ct Octagon Cut Rose Quartz, 9.5 x 9.5 mm From South Africa

4.61 ct Green Jade, 12.1 x 10.2 mm Oval Cut From Myanmar

16.73 carat Pear Shape Lapis Lazuli, loose Certified Lapis Lazuli from Afghanistan, Natural Untreated Gem, 28.3 x 17.1 mm

0.37 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.5 x 3.8 mm

1.07 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 4.1 mm

2.61 carat Emerald Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.7 x 3.8 mm

9.34 carat Oval Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 20.1 x 15.1 mm

1.38 ct Cushion Cut Color-Change Diaspore, 8 x 5.1 mm From Turkey

16.7 ct Pink Coral, 15.3 x 11.1 mm Carved From Taiwan

2.25 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6 mm

24.81 ct Cushion Rose Cut Onyx, 24.4 x 15.4 mm From Sri Lanka

3.96 ct Round Rutile Quartz, 10.8 mm From India

1.9 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 13.2 x 8.8 mm

0.54 ct Orange Sphalerite, 5 mm Round Cut From Spain

1.55 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.7 x 6.2 mm

2.06 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 mm

0.72 ct Oval Chrysoberyl Cat's Eye, 5 x 4.6 mm From Sri Lanka

13.27 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 14.7 x 12.6 mm

2.74 ct White Moonstone, 10.1 x 8.2 mm Oval Cut From India

0.73 ct Octagon Cut Color-Change Diaspore, 6.3 x 3.9 mm From Turkey

0.05 ct Green Diamond, 2.4 mm Diamond Cut From India

2.03 ct Blue Apatite, 5 x 4 mm Oval Cut From Madagascar

1.92 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 10.1 x 5.1 mm

1.19 ct Green Sphene, 7.2 x 6 mm Oval Cut From Sri Lanka

0.7 ct Loose Yellow Sapphire, 6.4 x 4.4 mm Oval Cut From Madagascar

Gemstone Information

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