Calibrated 11 x 11 mm Square Shape Loose Natural Gemstones from Ge...

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 Square shapes, facet cut and cabochon gems available now in 11 mm x 11 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 meant nor 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 around 0.3 mm or slightly higher even. This small variance can usually be accommodated for 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

blessed be the lord blessed be the saved blessed be the work blessed be the traveled i write down my good times in these stones and when times are gray i can still se the sunny days refract in these stones

Posted By Kickbass.2 in May, 2023

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Overall Rating -> 10

I love the clear description of the certification options. It's very rare to see a gem site that offers a deep explanation of each institution that would certify the stone(s).

Posted By Oakcityceo in May, 2023

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Overall Rating -> 10

No issues at all. It was great.

Posted By LJXK in May, 2023

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Overall Rating -> 10

I have used gm select a while ago and was always pleased with the products

Posted By Jaytee in November, 2023

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Overall Rating -> 10

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

Posted By MAGSMX in August, 2023

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Overall Rating -> 10

The site was easy to shop and the payment was secure. I’m looking forward to receiving my order!

Posted By JAB93 in June, 2023

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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.

Posted By Myrtle in February, 2024

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Overall Rating -> 10

My last experience was good, in fact every experience I have had with them has met my expectations or surpassed them. These are really good people to work with.

Posted By Spinach in May, 2023

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Overall Rating -> 9

Well presented images, clear information, quick and easy check out.

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Overall Rating -> 10

Fine. All emails answered. Excellent service. Nice discount added for orders. Briefly, a very good experience.

Posted By C.J. in February, 2024

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Overall Rating -> 10

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

Posted By Orphanboy in December, 2023

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Overall Rating -> 10

Easy to navigate

Posted By G Funk in December, 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.

Posted By Papa in December, 2023

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Overall Rating -> 10

Everything was fine.

Posted By Matt in March, 2024

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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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Gemstones A-Z

Buy Square Shape 11x11 mm Gems

1.39 ct Oval Cut Rainbow Moonstone, 8.1 x 6.1 mm From the United States

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

5.38 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Tanzania, Natural Untreated Gems, 6.8 x 5.1 mm

5.09 ct Round Labradorite, 8.2 mm From Madagascar

1 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 7.2 x 5.2 mm

1.88 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.1 x 5.1 mm

0.17 carat Round Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.6 mm

31.28 carat Pear Shape Ruby, loose Certified Ruby from Madagascar, Natural Gem, 31.9 x 28.8 mm

2.05 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 8.2 mm

1.14 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 9.8 x 4.8 mm

0.99 ct Yellow Beryl, 7.8 x 6 mm Oval Cut From Madagascar

24.43 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 21.8 x 16 mm

2.6 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10 x 10 mm

2.03 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 6.9 x 6.8 mm

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

3.26 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11 x 9.1 mm

5.66 ct Oval Rutile Quartz, 13.8 x 9.9 mm From India

20.07 ct Pencil Cut Jasper, 31.5 mm From India

0.8 ct Blue Kyanite, 5.1 mm Round Cut From Nepal

19.98 carat Pencil Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 27.4 x 9.9 mm

2.28 ct Orange Sunstone, 8 x 6 mm Oval Cut From India

0.87 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 5.2 x 5.1 mm

0.6 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.1 x 4.1 mm

1.43 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.5 mm

4.77 ct Rainbow Pyrite, 15.3 x 10.4 mm From Russia

0.99 ct Cushion Cut Color-Change Diaspore, 6.2 x 5.3 mm From Turkey

2.95 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.8 x 8.8 mm

0.76 ct Yellow Beryl, 7.1 x 6.6 mm Trillion Cut From Madagascar

3.35 ct Yellow Sillimanite, 6.9 x 5 mm Oval Cut From Sri Lanka

0.83 ct Blue Green Apatite, 7.1 x 5.2 mm Oval Cut From Madagascar

1.58 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.1 x 8 mm

1.2 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 6.1 x 4.1 mm

Gemstone Information

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