Calibrated 10 x 10 mm Square Shape Loose Natural Gemstones from Ge...

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.

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Overall Rating -> 9

Good interaction with site

Posted By Brick in September, 2023

Source: Bizrate

Overall Rating -> 7

I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.

Posted By Bobk in February, 2024

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Overall Rating -> 7

I feel pretty good so far, pending the delivery of the item ordered.

Posted By Steve in November, 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 -> 10

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.

Posted By Spinach in May, 2023

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Overall Rating -> 10

Purchasing from Gem Select was a pleasant and easy experience. The photos of the stones I was interested in were an accurate depiction of the stones I received. Ordering was easy and the items arrived within a week. Over all it was a very positive experience.

Posted By Dee in September, 2023

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Overall Rating -> 10

I have used Gem Select many times over the past 10 years and have always been happy with the product & services

Posted By Ordain in August, 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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Overall Rating -> 9

The selection and filtering is a little overwhelming, but that's only because there is so much to choose from.

Posted By Kasper in June, 2023

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Overall Rating -> 10

the searching format was easy to find what i needed. It helped to be able to sort Lowest price to Highest because i wasnt looking to spend too much but i did want an actual stone and not imitation.

Posted By PixelComposer in January, 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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Overall Rating -> 9

Never bought anything on this website before, but it probably won't be my last purchase. Definitely one of the easiest to use and most informative sites I've ever been to.

Posted By Bob in November, 2023

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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!

Posted By JAB93 in June, 2023

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Overall Rating -> 10

I have used gm select a while ago and was always pleased with the products

Posted By Jaytee in November, 2023

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Overall Rating -> 10

Fine. All emails answered. Excellent service. Nice discount added for orders. Briefly, a very good experience.

Posted By C.J. in February, 2024

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Gemstones A-Z

Buy Square Shape 10x10 mm Gems

1.94 ct Oval Cut Rainbow Moonstone, 8.9 x 6.9 mm From the United States

4.05 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

1.78 ct Yellow Sphene, 7.3 x 6.7 mm Oval Cut From Sri Lanka

3.41 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.2 x 5.2 mm

8.89 ct Black Spinel, 10 x 9.8 mm Trillion Rose Cut From Thailand

0.84 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 8.5 x 4.7 mm

0.45 ct Loose Orange Sphalerite, 4.4 mm Round Cut From Spain

3.75 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.5 mm

1.57 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.7 mm

4.3 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

7.09 ct Orange Sunstone, 10 mm Round Cut From India

1.24 ct Yellow Morganite, 8.2 x 6.1 mm Oval Cut From Afghanistan

0.79 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.1 x 5 mm

1.41 carat London Blue Topaz, Square loose Topaz from Brazil, Natural Gems, 5.1 x 5 mm

1.02 ct Round Tiger's Eye, 6 mm From Thailand

1.26 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 7.1 x 5.1 mm

8.07 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 14.2 x 10.1 mm

2.33 ct Loose Blue Green Sapphire, 4.9 mm Briolette From Madagascar

1.1 carat Oval Ruby, loose Certified Ruby from Myanmar, Natural Gem, 7.1 x 5.2 mm

13.27 ct Octagon Cut Bloodstone, 13.7 x 13.4 mm From Madagascar

4.94 ct Oval Black Opal, 14.7 x 11.1 mm From Ethiopia

3.89 ct Black Star Sapphire, 10.9 x 8.6 mm Oval Cut From Thailand

2.02 ct Loose Orange Moonstone, 9.1 x 7.2 mm Cushion Cut From India

4.92 ct Carved Prehnite, 14.4 x 10.4 mm From South Africa

2.12 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7 x 7 mm

1.34 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18.7 x 3.1 mm

1.1 carat Yellow Sphene, Pear Shape loose Sphene from Sri Lanka, Natural Untreated Gem, 8.2 x 5.5 mm

2.59 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.2 x 5.3 mm

7.47 ct Loose Multicolor Mystic Quartz, 10.2 mm Round Concave Cut From Brazil

2.42 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 9.8 x 5 mm

2.67 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.8 x 4.8 mm

1.25 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 6.1 x 6 mm

Gemstone Information

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