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 -> 9

making my own jewelry for my birth stone

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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.

Posted By Ray in January, 2024

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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 -> 9

An it was good.

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Overall Rating -> 10

Overall, the whole process was just great.

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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

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

Todo muy bien en la compra ahora esperar recibir el pedido.

Posted By MAGSMX in August, 2023

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Overall Rating -> 10

Always have good experience

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Overall Rating -> 10

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

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Overall Rating -> 10

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

Posted By Chico in May, 2023

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Overall Rating -> 10

Great selection and excellent website.

Posted By JBW in October, 2023

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Overall Rating -> 10

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

Posted By T-bone in October, 2023

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Overall Rating -> 10

Great selection of various gems, easy to navigate site

Posted By Josh in August, 2023

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Overall Rating -> 10

I searched for the item by description and millimeter and had my choice come up and then made the best selection.

Posted By Tim in April, 2024

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Gemstones A-Z

Buy Square Shape 7x7 mm Gems

20.86 ct Green Aventurine, 26.4 x 12.7 mm Marquise Cut From Brazil

0.56 ct Loose Yellow Sapphire, 4.4 x 4.4 mm Cushion Cut From Tanzania

2.86 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10 x 10 mm

1.74 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 8 x 6 mm

3.55 ct Black Star Sapphire, 9.4 x 8 mm Oval Cut From Thailand

4.37 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 7.9 x 5.1 mm

1.17 ct Pink Morganite, 6.9 mm Round Cut From Afghanistan

15.21 ct Green Jadeite, 19.2 x 13.8 mm Oval Cut From Myanmar

2.12 ct Orange Sphalerite, 8.2 x 6.4 mm Oval Cut From Spain

1.08 carat Marquise Cut Ruby, loose Certified Ruby from Myanmar, Natural Gem, 9.5 x 4.6 mm

13.63 carat Black Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 20.2 x 9.7 mm

7.09 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 12.1 x 8 mm

0.98 ct Loose Pink Sapphire, 2.7 x 2.7 mm Princess Cut From Tanzania

13.28 ct Oval Rainbow Moonstone, 20.7 x 12.8 mm From the United States

0.54 ct Loose Orange Sapphire, 5.9 x 4.3 mm Oval Cut From Tanzania

0.85 carat Round Cabochon Emerald, loose Certified Emerald from Colombia, Natural Gems, 4.6 mm

12.84 ct Marquise Ruby-Zoisite, 21 x 10.5 mm From Tanzania

2.63 ct Yellow Sphene, 8.7 x 7.5 mm Oval Cut From Sri Lanka

1.7 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 16.1 x 5 mm

2.01 ct Pink Morganite, 8.1 mm Round Cut From Afghanistan

0.33 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

1.14 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 14.6 x 3 mm

0.27 ct Baguette Cut Kornerupine, 4.5 x 3.4 mm From Sri Lanka

1.9 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

1.46 ct Round Cat's Eye Moonstone, 8.2 mm From India

0.71 ct Loose White Sapphire, 4.1 mm Diamond Cut From Madagascar

4.78 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gem, 15.7 x 9.4 mm

38.37 ct Oval Hematite, 21.8 x 17 mm From Brazil

0.99 ct Round Onyx, 5.5 mm From Sri Lanka

2.25 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.1 x 9.1 mm

2.78 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.6 x 4.5 mm

2.62 ct Green Agate, 15.1 x 8.7 mm Carved From India

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