Calibrated 11 x 11 mm Trillion Shape Loose Natural Gemstones from ...

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 Trillion 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

An it was good.

Posted By Miguel in June, 2023

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Overall Rating -> 9

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

Posted By Kasper in June, 2023

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Overall Rating -> 10

Always an easy experience using Gem select.

Posted By Jeff in November, 2023

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Overall Rating -> 10

Gem Select has gems at afffordable prices.

Posted By George in March, 2024

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Overall Rating -> 10

Love Gem select. great gems for the price. Can't beet them

Posted By Apps in September, 2023

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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

Posted By Erick in July, 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.

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Overall Rating -> 10

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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 -> 10

Purchased for my granddaughter she was very pleased with it.

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Overall Rating -> 10

Pleasant.

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Overall Rating -> 10

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Overall Rating -> 10

I have actually done business with them before and was quite satisfied with them then.My Mother collected turtle items and when I saw the Mother of Pearl turtle...I just thought of her and decided to buy it. It's even tinier than I thought, but so adorable!The gemstones I bought are for jewelry for my daughter's birthday.

Posted By Ktreva52 in February, 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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Overall Rating -> 9

My first purchase went well. I will purchase more gems in the future.

Posted By NoHalalAl in March, 2024

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Gemstones A-Z

Buy Trillion Shape 11x11 mm Gems

8.03 ct Loose Oval Agate, 16.1 x 11.7 mm From Indonesia

88.29 ct Loose Oval Bloodstone, 34.2 x 25.6 mm From Madagascar

2.82 ct Loose Trillion Cut Amethyst, 10.1 x 9.8 mm From Brazil

10.86 ct Loose Oval Cut Mystic Quartz, 13.1 x 11.1 mm From Brazil

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

5.62 ct Hemimorphite Druzy, 14 x 12.7 mm From Congo

3.45 ct Oval Cut Andalusite, 6 x 4 mm From Brazil

1.66 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 10.4 x 6.3 mm

1.12 ct Blue Kyanite, 7.1 x 5.1 mm Oval Cut From Nepal

5.38 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14 x 9.8 mm

45.11 ct Fancy Jasper, 30.6 x 24.6 mm From Indonesia

1.38 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18.2 x 3.2 mm

14.47 ct Black Spinel, 12 mm Round Rose Cut From Thailand

0.81 carat Emerald Cut Color-Change Garnet, loose Certified Color-Change Garnet from Madagascar, Natural Untreated Gem, 7.1 x 3.7 mm

15.2 ct Oval Jasper, 22.1 x 16.1 mm From Indonesia

2.69 ct Round Strawberry Quartz, 8.1 mm From Brazil

10.9 ct Yellow Quartz, 15.9 x 12.5 mm Oval Cut From Brazil

3.48 carat Pear Tiger's Eye, loose Certified Tiger's Eye from Thailand, Natural Untreated Gem, 10.1 x 9.9 mm

12.51 ct Fancy Boulder Opal, 23.5 x 14.3 mm From Australia

0.82 carat Blue Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 6.2 x 5.8 mm

0.02 ct Green Diamond, 1.7 mm Diamond Cut From India

3.5 ct Blue Star Sapphire, 7 x 5.2 mm Oval Cut From Thailand

0.43 ct Loose Yellow Sapphire, 4.6 x 4.5 mm Heart Cut From Tanzania

2.55 ct Oval Cut Andalusite, 5 x 3.1 mm From Brazil

0.8 ct Cushion Cut Color-Change Diaspore, 5.8 x 5 mm From Turkey

2.15 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 7.1 mm

12.4 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gems, 15 x 11 mm

3.31 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

1.77 carat Yellow Citrine, Round Rose loose Citrine from Brazil, Natural Untreated Gem, 8 mm

9.91 ct Green Agate, 14.8 x 12.6 mm Oval Cut From India

4.72 ct Asscher Cut Rose Quartz, 8.5 x 8.5 mm From South Africa

0.93 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6.1 x 4.1 mm

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