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

After having looked at other purchasing sites, this is my first choice.

Posted By MJC in January, 2024

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 -> 9

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

Posted By RobDill in August, 2023

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Overall Rating -> 9

It went well

Posted By Rob in December, 2023

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Overall Rating -> 8

I am currently pleased. I like the layout of the website.

Posted By RayPoppa in January, 2024

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Overall Rating -> 10

I have actually done business with them before and was quite satisfied with them then.My Mother collected turtle items and when I saw the Mother of Pearl turtle...I just thought of her and decided to buy it. It's even tinier than I thought, but so adorable!The gemstones I bought are for jewelry for my daughter's birthday.

Posted By Ktreva52 in February, 2024

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Overall Rating -> 10

i love this site, the gems are always of good quality, i've been buy gifts from the site for 10 years, love it

Posted By Jf in January, 2024

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Overall Rating -> 10

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!

Posted By Devi in October, 2023

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Overall Rating -> 10

Interested in unusual stones and found many that I purchased or will purchase in the near future. I have been a customer of gem select for almost ten years and have always been pleased with buying experience and the delivered product

Posted By Fairhope Pete in December, 2023

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Overall Rating -> 10

I found it to be easy to browse and easy to use

Posted By Kyle in December, 2023

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Overall Rating -> 10

It was easy to search and find what i wanted

Posted By Gunner in November, 2023

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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

This is only the second time I have ordered from GemSelect. I am a prolific gemstone collector and I wish I had found this site sooner!

Posted By Beachcomber in September, 2023

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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

GemSelect has the Best gems. Clear photos and detailed description helps me make the best choice. I have Never been disappointed by thier quality items.

Posted By Rock Hound in July, 2023

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Gemstones A-Z

Buy Square Shape 7x7 mm Gems

11.25 ct Oval Tiger's Eye, 18.4 x 13.5 mm From India

0.99 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 4.1 mm

13.8 ct Oval Malachite, 13.7 x 10 mm From Congo

8.06 carat Green Tourmaline, Cushion Cabochon loose Tourmaline from Mozambique, Natural Untreated Gem, 15 x 9.8 mm

0.54 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 5 x 4.1 mm

4.01 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 6 mm

2.6 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 21.1 x 4 mm

4.43 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.2 x 10.2 mm

3.44 ct Oval Malachite, 9.5 x 6.9 mm From Congo

11.22 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gem, 15.9 x 12.1 mm

1.35 ct Purple Spinel, 10.6 x 5.4 mm Marquise Cut From Tanzania

0.81 ct Purple Spinel, 5 x 4.9 mm Cushion Cut From Tanzania

8.35 carat Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 12.3 x 10.9 mm

0.78 carat Orange Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7.9 x 5.8 mm

0.61 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gem, 5.1 x 5.1 mm

0.78 ct Orange Sphalerite, 5.4 mm Round Cut From Spain

0.86 ct Cushion Cut Color-Change Diaspore, 6.1 x 5.3 mm From Turkey

2.77 ct Orange Moonstone, 8.1 x 6.1 mm Cushion Cut From India

17.48 ct Oval Rose Quartz, 18.1 x 15.1 mm From South Africa

3.46 ct Green Agate, 9.7 x 8.8 mm Oval Cut From India

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

0.64 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.1 x 4.1 mm

1.43 ct Baguette Cut Smoky Quartz, 9.1 x 6 mm From Brazil

1.7 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.1 x 6.1 mm

3.53 ct Loose Orange Sapphire, 8.6 x 7.8 mm Oval Cut From Thailand

2.46 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5.1 mm

2.34 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.2 x 8.9 mm

0.23 carat Oval Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 4.6 x 3.5 mm

0.5 carat Purple Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6.8 x 4.5 mm

26.01 ct Fancy Jasper, 33.1 x 19 mm From Indonesia

7.7 ct Round Cut Smoky Quartz, 13.9 mm From Brazil

1.69 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 x 6 mm

Gemstone Information

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Gemstone EDUCATION

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