Calibrated 4 x 4 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 4 mm x 4 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

I really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

Posted By ChiChi in January, 2024

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Overall Rating -> 10

I loved the opportunity to shop on a website that I could trust 👍

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Overall Rating -> 10

I FOUND WHAT I WANT IT

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Overall Rating -> 10

I have started a small gem brokerage. I find stones to meet clients needs. Gemselect has helped me find what people what.

Posted By Pirates Bounty in April, 2024

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Overall Rating -> 10

Great experience! First time buyer

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Overall Rating -> 10

Great Job today! No issues!

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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

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 -> 9

It went well

Posted By Rob in December, 2023

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Overall Rating -> 8

Many gems at reasonable pricing

Posted By Skittlebird in May, 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 -> 10

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

Posted By Apps in September, 2023

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Overall Rating -> 10

Purchased for my granddaughter she was very pleased with it.

Posted By Charlie in April, 2024

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Overall Rating -> 10

was just windowshopping and spotted a couple "Very Uncommons", a tsavorite & a demantoid garnet that were both in a size I was looking for, & that I could very easily pay for -- so figured I would grab the tsavo ASAP and got the demantoid to accompany so they wouldn't be lonely.

Posted By Kittypie070 in April, 2024

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Overall Rating -> 10

Hello: You do have good website. Vast majority of folks would buy the Gems for its spiritual, physical / energy level, emotional level positive aspects. You have only very brief mention of this aspect of each Gem ..may be you can add little bit more about ways to leverage the beneificial effect of each gems i.e. some practical tips.ThanksRupen Patel

Posted By EarthDeep in February, 2024

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Gemstones A-Z

Buy Square Shape 4x4 mm Gems

0.86 ct Oval Cut Kornerupine, 5.5 x 4.6 mm From Sri Lanka

6.82 ct Carved Smoky Quartz, 14.3 x 10.1 mm From Brazil

40.77 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 40.7 x 29.8 mm

14.01 ct Asscher Cut Rose Quartz, 14.4 x 14.3 mm From South Africa

10.69 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gem, 19.7 x 13.3 mm

6.68 ct Oval Cut Strawberry Quartz, 14.1 x 10.1 mm From Russia

4.35 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.6 x 8.9 mm

0.54 ct Loose Violet Sapphire, 5.9 x 4.2 mm Oval Cut From Tanzania

13.63 ct Yellow Quartz, 11.6 x 11.6 mm Carved From Brazil

0.92 ct Oval Chrysoberyl Cat's Eye, 5.2 x 5 mm From Sri Lanka

0.45 ct Loose Orange Sapphire, 5.9 x 4.1 mm Oval Cut From Tanzania

1.36 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 10.2 x 7.9 mm

11.55 carat Swiss Blue Topaz, Pear Concave Cut loose Topaz from Brazil, Natural Gem, 17.9 x 11.9 mm

0.59 ct Square Cut Color-Change Diaspore, 4.7 x 4.6 mm From Turkey

0.72 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 8.3 x 4 mm

0.83 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 5 x 4.3 mm

0.48 ct Square Cut Color-Change Diaspore, 4.7 x 4.7 mm From Turkey

1.27 ct Octagon Cut Color-Change Diaspore, 7.3 x 4.7 mm From Turkey

0.18 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.5 mm

1.51 ct Blue Star Sapphire, 7.1 x 5.2 mm Oval Cut From Thailand

0.47 ct Oval Chrysoberyl Cat's Eye, 4.3 x 4.2 mm From Sri Lanka

2.43 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 7.7 x 6.9 mm

2.64 ct Yellow Sphene, 8.9 x 6.8 mm Oval Cut From Sri Lanka

1.75 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12.2 x 6.1 mm

8.27 ct Carved Prehnite, 15.6 x 11.3 mm From South Africa

11.19 ct Fancy Boulder Opal, 18.2 x 14.8 mm From Australia

1.45 carat Yellow Citrine, Carved Flower loose Citrine from Brazil, Natural Untreated Gem, 8 x 7.9 mm

24.01 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.2 x 15.1 mm

39.93 carat Oval Tiger's Eye, loose Certified Tiger's Eye from Thailand, Natural Untreated Gem, 27.9 x 24.9 mm

7.6 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.2 mm

4.14 ct Marquise Slice Ruby in Fuchsite, 23.4 x 8.9 mm From Ethiopia

26.59 ct Gray Jadeite, 20.8 x 16.4 mm Oval Cut From Myanmar

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