Calibrated 7 mm Round Shape Loose Natural 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 7 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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Overall Rating -> 10

Very easy. I have purchased a few times before and was satisfied each time. Thank you.

Posted By Ray in December, 2023

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Overall Rating -> 10

The website is easy to navigate and has a great selection. I am an amateur silver smith casting jewelry with stones

Posted By Jrplunk in April, 2024

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Overall Rating -> 10

It was easy to navigate and I hope that the gem is as nice as the picture

Posted By 1 in April, 2024

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Overall Rating -> 10

I love GemSelect, photos and details are great.

Posted By #1 in February, 2024

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Overall Rating -> 10

Trustworthy site. I've had several good experiences with company. Products always have met my expectations. Thank you.

Posted By Ray in February, 2024

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Overall Rating -> 10

Easy to find products I want. I've ordered several times from gem select and never any problems. Will order again. Thank you.

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Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023

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Overall Rating -> 10

Best place to buy gem stones, dont bother shopping else where. Prices are great, no issues with shipping and customer service is the best.

Posted By J in December, 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 really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

Posted By ChiChi in January, 2024

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Overall Rating -> 10

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

Posted By Tim in April, 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

Posted By Erick in July, 2023

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Overall Rating -> 10

I find the website user friendly.

Posted By Becky in August, 2023

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Overall Rating -> 10

Always have good experience

Posted By Ginnie in September, 2023

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Gemstones A-Z

Buy Round Shape 7 mm Gems

2.4 carat Green Agate, Pear loose Agate from India, Natural Gem, 11.1 x 8.3 mm

0.07 ct Green Diamond, 2.7 mm Diamond Cut From India

5.11 ct Yellow Quartz, 7.3 x 7.2 mm Carved From Brazil

2.25 carat Blue Green Grandidierite, Pear loose Grandidierite from Madagascar, Natural Untreated Gem, 10 x 6.9 mm

0.84 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6 x 4 mm

1.6 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 9.9 x 7.1 mm

0.85 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.2 x 5.1 mm

0.51 ct Blue Kyanite, 3.6 mm Round Cut From Nepal

1.17 ct Loose Orange Hessonite Garnet, 7.2 x 5.9 mm Oval Cut From Madagascar

6.94 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 15 x 7.3 mm

0.84 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 8.9 x 6 mm

44.89 ct Oval Cut Rose Quartz, 24.8 x 22.7 mm From South Africa

12.91 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 16.2 x 12.1 mm

1.14 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.1 x 6.1 mm

2.64 ct Yellow Quartz, 8.1 x 7.9 mm Carved From Brazil

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

0.6 carat London Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 7 x 3.5 mm

1.56 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

4.23 ct Odd Shaped Druzy Variscite, 13.1 x 12.1 mm From China

0.58 ct Loose Pear Labradorite, 6.4 x 4.3 mm From Madagascar

2.76 carat Sky Blue Topaz, Princess-Cut loose Topaz from Brazil, Natural Gem, 8.2 x 8.1 mm

2.5 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.5 mm

1.61 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 5 mm

2.99 ct Purple Kunzite, 7.4 x 7 mm Octagon Cut From Afghanistan

7.4 ct Round Cut Smoky Quartz, 12.8 mm From Brazil

0.72 ct Loose Orange Sapphire, 5.1 mm Round Cut From Tanzania

1.52 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 6.7 x 6.2 mm

1.79 carat Orange Spessartite Garnet, Round loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 4.4 mm

0.73 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6 x 5.1 mm

2.78 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.9 x 9.8 mm

0.51 carat Blue Sapphire, Baguette Step Cut loose Sapphire from Madagascar, Natural Gem, 5.9 x 3.1 mm

0.73 ct Loose White Sapphire, 4.3 mm Diamond Cut From Madagascar

Gemstone Information

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