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 have used this site for sseveral years now. All has been great. I started collection gems from GemSelect for years and wanted to collect at least one of most stones. I loved Safers because the mols is a 9 + and they come in every color. This is the best place to buy gems for the assortment and price. Great place to learn about gems too. Sometimes the shipping is a little on the long side. But I would give them a 9.9 out of 10 !!

Posted By Steve in July, 2023

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Very large selection of items and we used the stones to have several pieces of jewelry made for us.

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

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I searched for the item by description and millimeter and had my choice come up and then made the best selection.

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Overall Rating -> 9

An it was good.

Posted By Miguel in June, 2023

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Gemstones A-Z

Buy Round Shape 11 mm Gems

3.46 ct Yellow Sillimanite, 9 x 7 mm Oval Cut From Sri Lanka

2.06 ct Oval Prehnite, 7.8 x 7 mm From South Africa

29.21 ct Loose Round Bloodstone, 26.4 mm From Madagascar

19.46 ct Pencil Cut Jasper, 30.8 x 9.6 mm From Indonesia

1.21 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 5.1 mm

5.32 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.9 x 10.2 mm

32.75 ct Fancy Rhodochrosite, 25.8 x 24.4 mm From South Africa

0.84 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6 x 4.1 mm

4.62 ct Fancy Fire Agate, 12.9 x 9.3 mm From Mexico

58.72 ct Oval Jasper, 35.2 x 23.2 mm From Indonesia

1.35 ct Oval Sillimanite Cat's Eye, 7.9 x 4.6 mm From Madagascar

4.54 ct Loose Orange Moonstone, 8 x 7.9 mm Cushion Cut From India

1.33 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 10.4 x 4 mm

4.54 carat Sky Blue Topaz, Half Moon loose Topaz from Brazil, Natural Gem, 11.8 x 8 mm

43.16 ct Pencil Cut Strawberry Quartz, 37.4 x 12.2 mm From Russia

5.55 carat Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 12.6 x 10.8 mm

1.43 ct Oval Cut Iolite, 5.9 x 4.2 mm From Madagascar

11.49 ct Oval Cat's Eye Opal, 17.4 x 14.4 mm From Madagascar

0.97 ct Loose Pink Sapphire, 5.1 x 4 mm Oval Cut From Madagascar

0.46 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 4.3 mm

2.08 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 3.9 x 3 mm

12.85 ct Baguette Tiger's Eye, 18 x 13.1 mm From Thailand

6.17 carat Pink Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 13.6 x 9.2 mm

19.33 ct Yellow Quartz, 16.2 x 14 mm Star Cut From Brazil

3.4 ct Red Andesine Labradorite, 11.1 x 9.1 mm Oval Cut From Congo

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

1.7 carat Yellow Citrine, Heart Checkerboard loose Citrine from Brazil, Natural Untreated Gem, 8.2 x 7.9 mm

1.86 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 8.1 mm

17.44 ct Carved Ruby-Zoisite, 16.7 x 16.5 mm From Tanzania

3.8 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gems, 7.1 mm

5.06 ct Ball Agate, 8.8 mm From Indonesia

5.57 ct Oval Cut Strawberry Quartz, 14 x 10.1 mm From Russia

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