Buy 11 mm Round Calibrated Gemstones from 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 Round shapes, facet cut and cabochon gems available now in 11 mm diameter 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 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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I found it to be easy to browse and easy to use

Posted By Kyle in December, 2023

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Overall Rating -> 10

Overall, the whole process was just great.

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Overall Rating -> 10

Great experience! First time buyer

Posted By Todi89 in February, 2024

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Overall Rating -> 9

Everything was good but since I am still new I was surprised at how small the stones where.

Posted By Js in May, 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

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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Overall Rating -> 10

I have used Gem Select many times over the past 10 years and have always been happy with the product & services

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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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Overall Rating -> 10

Selection and purchasing online was very easy

Posted By Aggy in January, 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!

Posted By Ana in September, 2023

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Overall Rating -> 10

Perfect size I was looking for and great price

Posted By Izzy in September, 2023

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Overall Rating -> 9

GemSelect has a fantastic assortment of Semi-precious stones. I have not found any other web site with the variety you have.

Posted By RobDill in August, 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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Overall Rating -> 10

Great selection and excellent website.

Posted By JBW in October, 2023

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Overall Rating -> 10

Hello: You do have good website. Vast majority of folks would buy the Gems for its spiritual, physical / energy level, emotional level positive aspects. You have only very brief mention of this aspect of each Gem ..may be you can add little bit more about ways to leverage the beneificial effect of each gems i.e. some practical tips.ThanksRupen Patel

Posted By EarthDeep in February, 2024

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Gemstones A-Z

Buy Round Shape 11 mm Gems

113.87 carat Pear Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 58.6 x 41.1 mm

7.62 ct Round Cut Smoky Quartz, 13.9 mm From Brazil

4.7 ct Loose Oval Cut Strawberry Quartz, 12.1 x 10.1 mm From India

1.3 ct Loose Yellow Sapphire, 5.8 x 4.9 mm Oval Cut From Tanzania

23.68 ct Fancy Fossil Coral, 20.8 x 13.3 mm From Indonesia

2.11 ct Oval Prehnite, 7.7 x 7.4 mm From South Africa

0.65 ct Loose White Sapphire, 4.4 mm Diamond Cut From Madagascar

1.3 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.1 x 5.1 mm

0.05 ct Black Diamond, 2 mm Diamond Cut From India

1.96 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gem, 10 x 8 mm

2.7 ct Yellow Cat's Eye Apatite, 7.9 x 7.1 mm Oval Cut From Kenya

2.21 ct Oval Strawberry Quartz, 9.1 x 7.2 mm From Russia

0.9 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 6 x 5.9 mm

2.72 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.2 x 4.2 mm

18.95 ct Oval Rose Quartz, 18.2 x 16.2 mm From South Africa

0.64 ct Loose Orange Sapphire, 6.1 x 4.2 mm Oval Cut From Tanzania

6.58 ct White Quartz, 12.6 x 12.5 mm Asscher Cut From Brazil

1.46 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 9.3 x 7.4 mm

3.11 carat White Opal, Oval loose Opal from Australia, Natural Untreated Gem, 13.3 x 9.7 mm

6.21 carat Blue Aquamarine, Rondelle Cut loose Aquamarine from India, Natural Untreated Gems, 6.5 x 6.4 mm

2.43 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

2.53 ct Oval Sillimanite Cat's Eye, 7.1 x 4.6 mm From Madagascar

1.76 carat Square Emerald, loose Certified Emerald from Zambia, Natural Gems, 3.8 x 3.8 mm

3.9 ct Orange Sunstone, 11.8 x 10 mm Oval Cut From India

4.41 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6 mm

15.66 ct Oval Jasper, 20 x 15.1 mm From Indonesia

3.19 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.6 mm

7.36 carat Half Drilled Briolette Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.6 mm

3.49 ct White Moonstone, 11.1 x 8.9 mm Oval Cut From India

1.74 carat Sky Blue Topaz, Cushion Checkerboard loose Topaz from Brazil, Natural Gem, 6 x 6 mm

19.63 ct Loose Oval Bloodstone, 28.4 x 16.3 mm From Madagascar

1.03 ct Orange Moonstone, 6 x 6 mm Square Cut From India

Gemstone Information

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