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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Website was incredibly easy and fast to use. Navigation and product outlay was simple and enjoyable to browse. Thank you and have a blessed day!

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Overall Rating -> 9

GemSelect has a fantastic assortment of Semi-precious stones. I have not found any other web site with the variety you have.

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Overall Rating -> 10

Gem Select has gems at afffordable prices.

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Overall Rating -> 10

I have had and will always have a great time shopping at GemSelect. It's a great web site with great products and great service.

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My last experience was good, in fact every experience I have had with them has met my expectations or surpassed them. These are really good people to work with.

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

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The website was very easy to navigate. We appreciated the details about each gem, and the sort and search features of the website were helpful and easy to use.

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The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

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love yall

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Great selection

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Overall Rating -> 10

I bought a small ring green so I may practice my jewelry making.

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Overall Rating -> 10

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Gemstones A-Z

Buy 5 mm Gemstones

23.16 ct Oval Howlite, 27.1 x 20.5 mm From the United States

2.21 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.2 x 5.2 mm

6.28 ct Black Star Sapphire, 10.5 x 8.6 mm Oval Cut From Thailand

2.87 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10 x 9.8 mm

2.23 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 8.9 x 6.9 mm

3.07 ct Loose Pear Dendritic Agate, 12.9 x 9 mm From India

1.43 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 x 5.9 mm

4.09 carat Diamond-Cut Tsavorite Garnet, loose Certified Tsavorite Garnet from Kenya, Natural Untreated Gems, 2.1 mm

7.22 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 15.9 mm

2.14 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 7.1 mm

0.48 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 6 x 4.1 mm

1.62 carat Orange Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 7.7 x 5.7 mm

1.08 carat Orange Sunstone, Oval loose Sunstone from India, Natural Untreated Gem, 8.1 x 6 mm

0.19 ct Round Cut Kornerupine, 3.5 mm From Sri Lanka

38.26 ct Yellow Quartz, 22.6 x 20.3 mm Oval Concave Cut From Brazil

1.88 ct Round Cut Strawberry Quartz, 8.1 mm From Russia

1.25 ct Loose Purple Sapphire, 7 x 5.3 mm Cushion Cut From Tanzania

0.63 ct Loose Yellow Sapphire, 5.3 x 5.2 mm Trillion Cut From Tanzania

3.51 ct Blue Green Grandidierite, 10.4 x 8.6 mm Oval Cut From Madagascar

1.69 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6.2 x 6.2 mm

2.76 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.7 x 8.8 mm

5.24 ct Oval Star Ruby, 11 x 8.6 mm From Madagascar

2.75 ct Oval Cut Kornerupine, 10.2 x 7.5 mm From Sri Lanka

0.6 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.1 mm

4.26 ct Blue Kyanite, 11.3 x 8.5 mm Cushion Cut From Nepal

8.53 ct Oval Star Ruby, 12.7 x 10.4 mm From Madagascar

28.73 carat Pear Checkerboard Nuummite, loose Certified Nuummite from India, Natural Untreated Gem, 24.9 x 19 mm

3.04 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.9 x 4.9 mm

5.01 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14 x 10 mm

1.07 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 mm

1.61 ct Loose Orange Sapphire, 8 x 6.2 mm Oval Cut From Tanzania

1.2 ct Oval Cut Peridot, 7.9 x 5.8 mm From China

Gemstone Information

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Gemstone EDUCATION

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