Calibrated 9 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 9 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 -> 9

It went well

Posted By Rob in December, 2023

Source: Bizrate

Overall Rating -> 10

Easy to find the stones I was looking for. Always good quality stones

Posted By Erin in June, 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

After having looked at other purchasing sites, this is my first choice.

Posted By MJC in January, 2024

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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 -> 10

Fantastic dealer for quality gemstones. Website is easy to navigate, selection is superb, delivery of purchases is prompt. Easy to select incorrect payment options, however.

Posted By David W in May, 2023

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Overall Rating -> 10

Wonderful selection of gems to choose from. Have made many purchases and was only slightly disappointed once.

Posted By Teemo in February, 2024

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Overall Rating -> 10

I loved the opportunity to shop on a website that I could trust 👍

Posted By Will J. Lover in September, 2023

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Overall Rating -> 8

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 2023

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Overall Rating -> 10

My only complaint is that there are so many beautiful and affordable stones that I get distracted from what I planned to order.

Posted By Phoenix in March, 2024

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Overall Rating -> 10

Super easy to do business for great products.

Posted By BoBBy in January, 2024

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Overall Rating -> 10

I enjoyed browsing though different varieties of rubies. I felt that the experience was simple and easy to navigate!

Posted By Daws in July, 2023

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Overall Rating -> 10

Very good, very fast, everything as described.

Posted By B in October, 2023

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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 -> 10

I love the clear description of the certification options. It's very rare to see a gem site that offers a deep explanation of each institution that would certify the stone(s).

Posted By Oakcityceo in May, 2023

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Gemstones A-Z

Buy Round Shape 9mm Gems

0.96 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.5 x 6.9 mm

0.35 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

0.67 ct Octagon Cut Color-Change Diaspore, 6.6 x 4.3 mm From Turkey

36.23 ct Oval Pyrite, 28.6 x 18.6 mm From Russia

2.26 ct Yellow Sphene, 6.5 x 5.4 mm Oval Cut From Sri Lanka

0.42 ct Black Star Sapphire, 4.2 mm Round Cut From Thailand

4.04 ct Loose Oval Agate, 9.8 x 8.8 mm From Indonesia

26.46 ct Baguette Jasper, 27.6 x 16.3 mm From Indonesia

6.95 ct Round Rutile Quartz, 13 mm From India

0.85 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 6 x 4.1 mm

5.18 ct Loose Oval Pietersite, 13.8 x 9.7 mm From Namibia

9.45 ct Fancy Boulder Opal, 23.9 x 9.5 mm From Australia

1.12 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.2 x 4.8 mm

3 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.9 x 8.7 mm

7.46 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 10 mm

1.42 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.1 x 7.1 mm

27.45 ct Oval Fossil Coral, 23.2 x 12.8 mm From Indonesia

1.79 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 7.9 x 5.1 mm

22.31 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 18 x 18 mm

25.63 ct Rainbow Pyrite, 27.1 x 14.7 mm From Russia

4.48 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14 x 10.1 mm

10.58 ct Baguette Ruby-Zoisite, 20.1 x 9.2 mm From Tanzania

0.61 ct Blue Kyanite, 3.7 mm Round Cut From Nepal

11.07 ct Round Cut Smoky Quartz, 14.7 mm From Brazil

5.62 ct Green Agate, 20.2 x 10.8 mm Carved From India

0.54 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 4.2 mm

1.54 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 6.2 x 6 mm

1.57 ct Round Concave Cut Mystic Quartz, 7.9 mm From Brazil

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

1.7 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6.1 x 6.1 mm

12.21 ct White Quartz, 15.1 x 15.1 mm Asscher Cut From Brazil

14.49 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 36 x 10.4 mm

Gemstone Information

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