Calibrated 5 x 5 mm Square Shape Loose Natural Gemstones from GemS...

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 Square shapes, facet cut and cabochon gems available now in 5 mm x 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 meant nor 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

Great Job today! No issues!

Posted By Samlovesgems777 in August, 2023

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Overall Rating -> 9

My first purchase went well. I will purchase more gems in the future.

Posted By NoHalalAl in March, 2024

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Overall Rating -> 10

Always have good experience

Posted By Ginnie in September, 2023

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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

The website is well organized and works fast forward and back. Plenty of filters. Each gem is described in detail and you receive the one pictured. Gem material info and sources available. I would like to see more specifics on sources besides country- at least region or state and in the US with Turquiose which mine. Thanks!

Posted By Orchidisle in February, 2024

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Overall Rating -> 10

Everthing about researching and ordering from Gemselect was easy and uncomplicated. In the past I had payment problems, but your customer rep, Thomas, helped me get everything right. I will continue using Gemselet in the future for these reasons.

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Overall Rating -> 10

Everything was fine.

Posted By Matt in March, 2024

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Overall Rating -> 10

I was looking for a source for affordable genuine gemstones for my grandson who is currently very interested in rocks and gems. I was quite surprised and pleased to find GemSelect and finding the right stones at the right price couldn't have been simpler.

Posted By Papa in December, 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

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

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024

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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

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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

I’ve enjoyed purchasing stones from this site. It’s convenient and fairly priced.

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Gemstones A-Z

Buy Square Shape 5x5 mm Gems

0.5 ct Loose Yellow Sapphire, 4.6 mm Round Cut From Tanzania

19.6 ct Round Maw-Sit-Sit, 14.8 mm From Myanmar

0.92 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.7 mm

6.97 ct Cushion Cut Prehnite, 12 x 12 mm From South Africa

1.74 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3.9 mm

1.24 carat Marquise Cut Ruby, loose Certified Ruby from Myanmar, Natural Gem, 9.4 x 4.5 mm

1.05 carat Orange Citrine, Marquise Cut loose Citrine from Brazil, Natural Untreated Gems, 8.1 x 4.1 mm

1.98 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7.8 x 5.9 mm

0.79 ct Octagon Cut Color-Change Diaspore, 6.2 x 5.6 mm From Turkey

3.76 ct Green Agate, 10.1 x 8.5 mm Oval Cut From India

1 ct Marquise Cut Peridot, 7.9 x 4 mm From China

25.26 carat Pear Quartz With Marcasite, loose Certified Quartz With Marcasite from Brazil, Natural Untreated Gem, 25.2 x 18.8 mm

2.86 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 9.1 x 7.2 mm

7.89 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 11.1 x 9.1 mm

11.6 ct Loose Oval Lapis Lazuli, 14.6 x 11.1 mm From Afghanistan

14.33 ct Loose Oval Agate, 17.3 x 16 mm From Indonesia

26.41 ct Oval Jasper, 29.6 x 21.1 mm From Indonesia

24.9 ct Gray Jadeite, 22.9 x 17 mm Oval Cut From Myanmar

0.55 ct Loose Pink Sapphire, 6.8 x 5 mm Odd Shaped From Tanzania

0.63 ct Loose Purple Sapphire, 6.2 x 4.2 mm Oval Cut From Madagascar

12.98 ct Oval Cut Strawberry Quartz, 17.2 x 13.2 mm From Russia

2.54 ct Round Onyx, 7 mm From Sri Lanka

0.98 ct Round Strawberry Quartz, 7.1 mm From Russia

6.74 ct Fancy Fire Agate, 15.5 x 9.6 mm From Mexico

12.11 ct Oval Rainbow Moonstone, 19.4 x 10.7 mm From the United States

0.61 carat Blue Sapphire, Oval Cabochon loose Sapphire from Madagascar, Natural Gem, 5.5 x 4.4 mm

20.91 ct Baguette Chrysocolla, 20 x 17 mm From Australia

2.46 ct Pink Kunzite, 9.6 x 5 mm Octagon Cut From Afghanistan

1.55 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.9 x 5 mm

3.82 carat Orange Opal, Oval loose Opal from Ethiopia, Natural Gems, 8.1 x 6.3 mm

1.49 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gems, 6 x 5 mm

3.69 ct Orange Sunstone, 11.9 x 9.8 mm Oval Cut From India

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