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 -> 9

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

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Overall Rating -> 10

No issues at all. It was great.

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Overall Rating -> 10

I’ve enjoyed purchasing stones from this site. It’s convenient and fairly priced.

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Overall Rating -> 10

Easy to use as always and in all steps from opening site to paying.

Posted By Pete in February, 2024

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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

Very detailed and great pictures

Posted By Alexandrite in November, 2023

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Overall Rating -> 10

this was very easy im exited to get my order

Posted By Mr. in April, 2024

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Overall Rating -> 10

I was looking for ammolite for my husband. Other websites are not always clear about whether they have genuine ammolite or simulated ammolite. I have purchased from GemSelect before and trust that the stones are genuine. Finding the stones I want is easy, and I love all of the search filter options!

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Overall Rating -> 10

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Overall Rating -> 10

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Overall Rating -> 10

Love gemselect

Posted By Joshua Howard in March, 2024

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Overall Rating -> 9

Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

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Overall Rating -> 10

Great website and information

Posted By Moonshot in December, 2023

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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

Extremely easy to use, and I am fully satisfied with the purchase process.

Posted By Fl_Beachcomber in October, 2023

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Gemstones A-Z

Buy Square Shape 11x11 mm Gems

4.29 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12.1 x 6 mm

2.05 carat Blue Green Fluorite, Pear Shape loose Fluorite from India, Natural Untreated Gem, 8.6 x 6.4 mm

3.83 ct Round Cut Peridot, 6 mm From China

45.53 ct Baguette Jasper, 40.3 x 21.4 mm From Indonesia

4.7 ct Round Cut Smoky Quartz, 11.6 mm From Brazil

15.23 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 32.4 x 7.5 mm

1.22 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 6.1 x 4.1 mm

3.51 ct Green Agate, 17.9 x 9.1 mm Carved From India

0.72 ct Loose Yellow Sapphire, 5 mm Round Cut From Tanzania

6.23 ct Asscher Cut Rose Quartz, 11.2 x 11.2 mm From South Africa

0.55 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gems, 4.9 x 3.1 mm

1.22 ct Oval Cut Strawberry Quartz, 8.5 x 6.7 mm From Russia

7.58 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 14.5 x 12.2 mm

0.58 ct Oval Checkerboard Peridot, 6.1 x 4.1 mm From China

2.52 ct Loose Orange Moonstone, 14.1 x 7.2 mm Marquise Cut From India

2.63 ct Loose Princess Cut Sapphire, 2.6 x 2.6 mm From Tanzania

6.04 carat Swiss Blue Topaz, Carved Flower loose Topaz from Brazil, Natural Gem, 11.6 x 11.4 mm

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

0.93 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.7 x 4.8 mm

5.78 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 10.2 x 8.1 mm

1.15 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 5 mm

0.65 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 5.8 x 4.9 mm

2.06 ct Blue Green Grandidierite, 8.8 x 6.2 mm Oval Cut From Madagascar

0.9 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.1 x 4 mm

5.71 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 10 mm

5.48 ct Carved Prehnite, 14.6 x 10.7 mm From South Africa

0.65 ct Oval Cut Fire Opal, 8 x 6.1 mm From Mexico

4.21 ct Fancy Fire Agate, 13.4 x 7.6 mm From Mexico

0.28 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.7 mm

0.9 ct Oval Strawberry Quartz, 7.3 x 6 mm From Russia

2.76 ct Oval Tiger's Eye, 8 x 6.1 mm From Thailand

2.17 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.2 x 9 mm

Gemstone Information

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