Calibrated 7 x 7 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 7 mm x7 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

Easy to use website, made it very easy to buy. Will shop here again.

Posted By Bjorn in January, 2024

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Overall Rating -> 10

Found the stone I wanted which was delivered quickly and met expectations.

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Overall Rating -> 10

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 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

No issues at all. It was great.

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Excellent experience!

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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

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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

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Overall Rating -> 10

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Posted By Mk in November, 2023

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Overall Rating -> 10

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

Posted By J in December, 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.

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Overall Rating -> 10

I love GemSelect, photos and details are great.

Posted By #1 in February, 2024

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Overall Rating -> 10

I have used this site for sseveral years now. All has been great. I started collection gems from GemSelect for years and wanted to collect at least one of most stones. I loved Safers because the mols is a 9 + and they come in every color. This is the best place to buy gems for the assortment and price. Great place to learn about gems too. Sometimes the shipping is a little on the long side. But I would give them a 9.9 out of 10 !!

Posted By Steve in July, 2023

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Overall Rating -> 10

Found what I was looking for

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Gemstones A-Z

Buy Square Shape 7x7 mm Gems

15.75 ct Oval Jasper, 31.7 x 14.2 mm From Indonesia

1.42 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10 x 8 mm

15.66 ct Oval Jasper, 20 x 15.1 mm From Indonesia

0.19 ct Square Cut Iolite, 2.7 x 2.6 mm From Madagascar

1.88 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18.6 x 3.7 mm

1.36 ct Square Tiger's Eye, 5.9 x 5.8 mm From Thailand

3.9 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6 x 4.1 mm

15.2 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 22.8 x 16.7 mm

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

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

3.16 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.9 x 8.8 mm

1.12 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.5 x 5.5 mm

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

2.19 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7.1 x 7.1 mm

1.03 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8 x 5.9 mm

0.91 ct Yellow Sphalerite, 5.7 mm Round Cut From Spain

0.85 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 5.9 x 4.1 mm

0.94 carat Orange Moonstone, Pear Shape loose Moonstone from India, Natural Untreated Gem, 8.7 x 5.9 mm

0.72 ct Loose Orange Sapphire, 5.1 x 4.2 mm Octagon Cut From Tanzania

8.07 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

4.83 carat Pear Coral, loose Certified Coral from Indonesia, Natural Untreated Gem, 14.2 x 10.2 mm

0.78 ct Loose Pink Sapphire, 5.9 x 4.1 mm Oval Cut From Madagascar

1.99 carat London Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 10 x 5 mm

28.03 ct Carved Ruby-Zoisite, 20.9 x 15 mm From Tanzania

0.1 ct Oval Chrysoberyl Cat's Eye, 3.1 x 2.4 mm From Sri Lanka

0.93 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 5.2 mm

6.29 ct Orange Imperial Topaz, 13.7 x 8.3 mm Cushion Cut From Brazil

0.76 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 5.9 x 5.2 mm

0.26 ct White Diamond, 4 mm Diamond Cut From India

4.52 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 9.6 x 7.7 mm

5.29 ct Round Concave Cut Mystic Quartz, 12.2 mm From Brazil

1.09 ct Loose Princess Cut Sapphire, 2.2 x 2.1 mm From Tanzania

Gemstone Information

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