Calibrated 5 mm Natural Loose Gemstones in all shapes: GemSelect

Buy gems by size in millimeters. Some people by gems by color or prize, 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 sizes and shapes, facet cut and cabochon gems available now in the 5 mm 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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 -> 10

Love the variety of stones, sizes and the prices

Posted By Dorita in March, 2024

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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

Gem Select has gems at afffordable prices.

Posted By George in March, 2024

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Overall Rating -> 10

I FOUND WHAT I WANT IT

Posted By GABY in March, 2024

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Overall Rating -> 9

Overall good, shipping prices just seem a little on the high side.

Posted By Steve in August, 2023

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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

I am excited for my first order, search tools were a great help to find the sapphire I needed for my next project! Thank you

Posted By Sue in April, 2023

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Overall Rating -> 10

Great selection of various gems, easy to navigate site

Posted By Josh in August, 2023

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Overall Rating -> 8

I am currently pleased. I like the layout of the website.

Posted By RayPoppa in January, 2024

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Overall Rating -> 10

Convenient selection, arrival on time

Posted By Alin in February, 2024

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Overall Rating -> 10

This is only the second time I have ordered from GemSelect. I am a prolific gemstone collector and I wish I had found this site sooner!

Posted By Beachcomber in September, 2023

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Overall Rating -> 8

Very easy to find the specific stone I was looking for. I am pleased by both the selection and the price of the stones that are available. The only "bad" thing that I have to say is that the interface of the site is outdated.

Posted By Nick in March, 2024

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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

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

Source: Bizrate

Overall Rating -> 10

The website is easy to navigate and the images are incredible.

Posted By Lindsy in October, 2023

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Gemstones A-Z

Buy 5 mm Gemstones

38.34 ct Pencil Cut Sunstone, 41.2 x 10.9 mm From India

1.31 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 10 x 5.2 mm

1.27 ct Loose Orange Moonstone, 10.1 x 4.9 mm Marquise Cut From India

4.26 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4 x 4 mm

23.03 ct Oval Checkerboard Labradorite, 32.4 x 19.6 mm From Madagascar

8.67 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.2 x 4.2 mm

10.94 ct Octagon Cut Smoky Quartz, 13.1 x 13.1 mm From Brazil

0.42 ct Loose Yellow Sapphire, 5 x 3.2 mm Octagon Cut From Tanzania

1.31 ct Green Sphene, 6.8 x 6.1 mm Oval Cut From Sri Lanka

2.87 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

7.27 carat Swiss Blue Topaz, Emerald-Cut loose Topaz from Brazil, Natural Gems, 8 x 6 mm

0.37 ct Loose Pink Sapphire, 5.7 x 4 mm Oval Cut From Madagascar

6.5 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 18.1 x 10.1 mm

2 carat Yellow Citrine, Carved Flower loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.5 mm

1.44 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 5.2 mm

4 ct Loose Pear Dendritic Agate, 13.9 x 10 mm From India

2.71 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 mm

0.51 carat Blue Kyanite, Round loose Kyanite from Nepal, Natural Untreated Gem, 4.3 mm

1.4 ct Blue Apatite, 5.1 x 4 mm Oval Cut From Madagascar

1.55 carat Blue Sapphire, Baguette Step Cut loose Sapphire from Madagascar, Natural Gems, 5 x 2.8 mm

7.02 ct Green Amazonite, 18.4 x 9.3 mm Marquise Cut From Madagascar

2.38 ct Oval Spectrolite, 10.2 x 8.2 mm From Finland

4.1 ct Yellow Apatite, 9.1 x 9 mm Asscher Cut From Madagascar

16.51 carat Green Opal, Oval loose Opal from Brazil, Natural Untreated Gem, 19.6 x 16.1 mm

7.41 ct Carved Prehnite, 16.3 x 12 mm From South Africa

1.86 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Gem, 9 x 7 mm

1.37 ct Orange Sunstone, 7.9 x 6.4 mm Oval Cut From India

0.74 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 8 x 4 mm

2.87 ct Round Checkerboard Smoky Quartz, 7.8 mm From Brazil

0.37 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.6 x 4 mm

13.48 ct White Quartz, 12 x 11.9 mm Asscher Cut From Brazil

40.3 ct Drilled Sphere Rhodochrosite, 16.1 mm From South Africa

Gemstone Information

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