Calibrated 10 x 10 mm Square Shape Loose Natural Gemstones from GemSelect

Square Shape 10x10 mm Gems

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 Square shapes, facet cut and cabochon gems available now in 10 mm x 10 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.

Gemstone Information

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Overall Rating -> 10

Excellent prices, excellent gemstones, easy to navigating, at the checkout, only a part of my cart was paid, then I get back to my chart, and the missing gemstones were there, so I pay it.At the end of the day, I did 2 consecutive purchases, paying 2 shippings. But even with that issue, I’m sure that worth it.Thanks!

Posted By JPL in April, 2023

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Overall Rating -> 10

Everything was perfect, the stone was gorgeous, and delivery was on time. I cannot add anything else.

Posted By DesertDweller in March, 2023

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Overall Rating -> 8

I ordered peridots online and they were very close to the shade in the photo. They had a good polish and pretty good lapidation for a commercial cut. They had the correct critical angles for the ri of the material so that the stones had life in them. The down side was the lack of tracking and the length of time that it had taken to get them.

Posted By Montecarloman83 in January, 2023

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Overall Rating -> 10

Love Gem select. great gems for the price. Can't beet them

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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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Overall Rating -> 9

making my own jewelry for my birth stone

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Overall Rating -> 9

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Overall Rating -> 10

Found what I was looking for

Posted By Rian in June, 2023

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Overall Rating -> 10

Perfect size I was looking for and great price

Posted By Izzy in September, 2023

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Overall Rating -> 9

Really good selection of low cost gems, which is what I care about.

Posted By Nigerian Prince in April, 2023

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Overall Rating -> 8

I like to use GemSelect for finding calibrated sizes of gemstones. I purchased sapphires a few years ago and found the quality to be outstanding so I went ahead and purchased some more today (different) and some really unique moonstone. I'm opening a jewelry busy soon and so accurate gemstone sizes, quality, and reliability as a supplier is really important to me. Gemselect seems to fill all those requirements.

Posted By J in November, 2022

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Overall Rating -> 10

This is probably the fourth time I havebought gems at Gem Select, I have never been disappointed. I design a ring for myself, it is easier to buy the gems I want and take them to a jeweler. I am sure I will order gems again.

Posted By Sunny in December, 2022

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Overall Rating -> 10

I was very happy with the simplicity and prices of gemselect.com. the sites filters and navigation style made it simple to find exactly what I was looking for. I will definitely be buying from gemselect ago. Compared to other online stone sellers, the prices and availability of gemselect was amazing.

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Overall Rating -> 10

The site was easy to shop and the payment was secure. I’m looking forward to receiving my order!

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Overall Rating -> 10

The website is quick, easy, good layout, very clear and easy to use.

Posted By Mouse in February, 2023

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Selected Gemstones

Gemstones A-Z

Buy Square Shape 10x10 mm Gems

4.15 ct Princess Cut Amethyst, 10 x 9.9 mm From Brazil

4.1 ct Square Buff Top Amethyst, 10.1 x 10.1 mm From Brazil

3.97 ct Rainbow Pyrite, 10 x 9.9 mm From Russia

12.16 ct Pink Mystic Topaz, 10.1 x 10.1 mm Square Cut From Brazil

4.78 ct Yellow Citrine, 10.1 x 10.1 mm Square Buff Top From Brazil

5.34 ct Princess Cut Rose Quartz, 10.4 x 10.3 mm From South Africa

4.3 ct Yellow Citrine, 10 x 9.8 mm Square Buff Top From Brazil

6.05 ct Square Bloodstone, 9.7 x 9.6 mm From Madagascar

12.52 ct Pink Mystic Topaz, 10 x 10 mm Princess Cut From Brazil

12.53 ct Pink Mystic Topaz, 10 x 10 mm Princess Cut From Brazil

12.88 ct Pink Mystic Topaz, 10 x 10 mm Princess Cut From Brazil

12.94 ct Pink Mystic Topaz, 10.1 x 10.1 mm Princess Cut From Brazil

4.47 ct Princess Cut Rose Quartz, 9.9 x 9.8 mm From South Africa

4.96 ct Princess Cut Rose Quartz, 10 x 9.7 mm From South Africa

5.6 ct Princess Cut Rose Quartz, 10.3 x 10.2 mm From South Africa

5.46 ct Princess Cut Rose Quartz, 10.4 x 10.4 mm From South Africa

4.68 ct Princess Cut Rose Quartz, 9.9 x 9.8 mm From South Africa

4.76 ct Princess Cut Rose Quartz, 9.9 x 9.9 mm From South Africa

Square Shape 10x10 mm Gems

Gemstone Information