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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Gemstone Information

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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

Source: Bizrate

Overall Rating -> 10

I love your selection of gems. My only complaing is I wish I could put in a page number to return to that page.When there are over 60 pages of gems it is hard to return to a page with a gem I am considering.

Posted By Cahall in March, 2024

Source: Bizrate

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

Source: Bizrate

Overall Rating -> 10

Interested in unusual stones and found many that I purchased or will purchase in the near future. I have been a customer of gem select for almost ten years and have always been pleased with buying experience and the delivered product

Posted By Fairhope Pete in December, 2023

Source: Bizrate

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.

Posted By Ray in January, 2024

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Overall Rating -> 10

Overall, the whole process was just great.

Posted By Thatoneguy in August, 2023

Source: Bizrate

Overall Rating -> 10

The website is user friendly, has excellent selection. I've always found what I was looking for with Gem Select. When others don't have it they do. And most important, they have a way for you to pay without using PayPal. I cannot use PayPal they closed my account because of no cell phone.

Posted By NJD in September, 2023

Source: Bizrate

Overall Rating -> 10

I was pleased with the selection of gems, the ease of navigating, and the smooth checkout

Posted By JamesMichael781 in September, 2023

Source: Bizrate

Overall Rating -> 10

Always have good experience

Posted By Ginnie in September, 2023

Source: Bizrate

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

Source: Bizrate

Overall Rating -> 10

Todo muy bien en la compra ahora esperar recibir el pedido.

Posted By MAGSMX in August, 2023

Source: Bizrate

Overall Rating -> 10

Great website and information

Posted By Moonshot in December, 2023

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Overall Rating -> 10

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

Posted By Nikki J in September, 2023

Source: Bizrate

Overall Rating -> 10

Great experience! First time buyer

Posted By Todi89 in February, 2024

Source: Bizrate

Overall Rating -> 10

The site is very easy to use and I will continue to shop here. The quality is superb

Posted By Genia in January, 2024

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Gemstones A-Z

Buy Round Shape 7 mm Gems

0.63 carat Violet Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.8 x 4.7 mm

1.82 ct Oval Spectrolite, 9.8 x 8.2 mm From Finland

12.71 ct Fancy Fire Agate, 23.3 x 10.6 mm From Mexico

0.33 carat Blue Kyanite, Round loose Kyanite from Nepal, Natural Untreated Gem, 4.1 mm

3.01 ct Green Agate, 8.6 x 8.1 mm Oval Cut From India

0.75 ct Oval Sillimanite Cat's Eye, 5.9 x 5.4 mm From Madagascar

0.68 ct Blue Kyanite, 6.4 x 3.9 mm Oval Cut From Nepal

19.94 carat Blue Green Turquoise, Pear loose Turquoise from the United States, Natural Gem, 20.5 x 14.7 mm

7.2 ct Fancy Fire Agate, 14.2 x 11.8 mm From Mexico

0.57 carat Oval Color-Change Garnet, loose Certified Color-Change Garnet from Madagascar, Natural Untreated Gem, 5.8 x 3.9 mm

2.8 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 6.1 x 4.2 mm

4.91 ct Loose Oval Cut Strawberry Quartz, 12 x 10 mm From India

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

1.72 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 mm

5.72 ct Odd Shaped Druzy Variscite, 17.8 x 12.6 mm From China

5.5 ct Oval Prehnite, 7.4 x 6.2 mm From South Africa

2.72 ct Princess Cut Peridot, 5 x 4.9 mm From China

2.03 carat Princess-Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 7.9 x 7.9 mm

1.68 ct Violet Spinel, 7.7 x 6.5 mm Cushion Cut From Tanzania

38.1 ct Carved Ruby-Zoisite, 46.3 x 19 mm From Tanzania

2.22 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.6 x 4 mm

0.46 carat Round Grossularite Garnet, loose Certified Grossularite Garnet from Tanzania, Natural Untreated Gem, 4.6 mm

1.59 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm

2.99 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gems, 6.1 x 6 mm

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

8.65 ct Green Amazonite, 18.9 x 10.2 mm Marquise Cut From Madagascar

7.63 ct Octagon Cut Smoky Quartz, 12.1 x 12 mm From Brazil

1.65 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5 mm

4.11 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

4.46 ct Green Apatite, 8.9 x 8.6 mm Asscher Cut From Madagascar

7.12 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 15.4 mm

0.8 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 6.1 x 4.4 mm

Gemstone Information

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Gemstone EDUCATION

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