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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Gemstone Information

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Posted By Samlovesgems777 in August, 2023

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Overall Rating -> 10

The website is easy to search, the variety of gems is excellent and the educational information is interesting and helpful! Love browsing and shopping the GemSelect website!

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Overall Rating -> 9

Never bought anything on this website before, but it probably won't be my last purchase. Definitely one of the easiest to use and most informative sites I've ever been to.

Posted By Bob in November, 2023

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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

Very good, very fast, everything as described.

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Overall Rating -> 10

Great selection and excellent website.

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GemSelect has the Best gems. Clear photos and detailed description helps me make the best choice. I have Never been disappointed by thier quality items.

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Best place to buy gem stones, dont bother shopping else where. Prices are great, no issues with shipping and customer service is the best.

Posted By J in December, 2023

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Overall Rating -> 7

I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.

Posted By Bobk in February, 2024

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Overall Rating -> 10

Great site

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Overall Rating -> 10

Gem Select has gems at afffordable prices.

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Overall Rating -> 9

Good interaction with site

Posted By Brick in September, 2023

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Overall Rating -> 10

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024

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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.

Posted By Papa 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 !

Posted By Jen in August, 2023

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Gemstones A-Z

Buy Oval Shape 14x12 mm Gems

1.63 ct Yellow Apatite, 7.1 x 6.9 mm Asscher Cut From Madagascar

3.44 carat Heart Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 6 mm

30.59 ct Cushion Coral, 18.4 x 13.3 mm From Indonesia

1.75 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.3 x 5.2 mm

1 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 4.1 mm

7.65 ct Round Agate, 10.7 mm From Indonesia

17.67 ct Cushion Chalcedony, 21.8 x 15.9 mm From Brazil

2.02 carat Swiss Blue Topaz, Emerald-Cut loose Topaz from Brazil, Natural Gem, 8 x 6 mm

1.71 ct Loose White Sapphire, 4.6 mm Diamond Cut From Madagascar

0.66 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 4.5 mm

2.63 carat Swiss Blue Topaz, Briolette loose Topaz from Brazil, Natural Gem, 11 mm

1.75 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 9 x 6.9 mm

3.99 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5 mm

1.11 ct Yellow Beryl, 8.1 x 6 mm Oval Cut From Madagascar

0.46 carat Blue Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 4.8 x 4.5 mm

7.13 ct Square Lapis Lazuli, 11.2 x 11 mm From Afghanistan

1.48 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12 x 5.9 mm

1.3 carat Violet Tanzanite, Round loose Tanzanite from Tanzania, Natural Gem, 6.9 mm

3.06 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 7.1 x 5.1 mm

0.62 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 7 x 5 mm

0.88 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6.2 x 4 mm

1.36 ct Purple Spinel, 10.1 x 5 mm Marquise Cut From Tanzania

1.73 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6 x 6.1 mm

0.89 carat Purple Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 5.7 x 5.1 mm

1.9 ct Blue Apatite, 5.2 x 4.2 mm Oval Cut From Madagascar

1.35 ct Loose Orange Moonstone, 8 x 7.8 mm Trillion Cut From India

0.6 ct Loose Pink Sapphire, 6.6 x 4.6 mm Oval Cut From Madagascar

15.78 ct Oval Jasper, 20.1 x 15.1 mm From Indonesia

1.57 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5.1 mm

36.83 ct Oval Jasper, 34.8 x 25.7 mm From Indonesia

1.34 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 5 mm

0.65 ct Loose Yellow Sapphire, 4.8 mm Round Cut From Tanzania

Gemstone Information

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Gemstone EDUCATION

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