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 -> 10

Selection and purchasing online was very easy

Posted By Aggy 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

Source: Bizrate

Overall Rating -> 10

I was looking for a source for affordable genuine gemstones for my grandson who is currently very interested in rocks and gems. I was quite surprised and pleased to find GemSelect and finding the right stones at the right price couldn't have been simpler.

Posted By Papa in December, 2023

Source: Bizrate

Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023

Source: Bizrate

Overall Rating -> 10

Purchased for my granddaughter she was very pleased with it.

Posted By Charlie in April, 2024

Source: Bizrate

Overall Rating -> 10

Very Good

Posted By Julian in July, 2023

Source: Bizrate

Overall Rating -> 9

making my own jewelry for my birth stone

Posted By LoveGeo in July, 2023

Source: Bizrate

Overall Rating -> 10

Was easy to search for many gems and mineral stones.Authenticity of natural stones is important, and I feel this site offers some assurance on this.

Posted By DanM in November, 2023

Source: Bizrate

Overall Rating -> 10

Found what I was looking for

Posted By Rian in June, 2023

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Overall Rating -> 10

love yall

Posted By Rock hunter in August, 2023

Source: Bizrate

Overall Rating -> 10

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

Posted By MAGSMX in August, 2023

Source: Bizrate

Overall Rating -> 10

Wonderful selection of gems to choose from. Have made many purchases and was only slightly disappointed once.

Posted By Teemo in February, 2024

Source: Bizrate

Overall Rating -> 10

The website design is a bit finicky for mobile, but Im sure its most likely just a mobile issue. Amazing selection of products, great prices.

Posted By Kuba in December, 2023

Source: Bizrate

Overall Rating -> 7

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

Posted By Steve in November, 2023

Source: Bizrate

Overall Rating -> 10

The website is easy to search, the variety of gems is excellent and the educational information is interesting and helpful! Love browsing and shopping the GemSelect website!

Posted By Happiness in January, 2024

Source: Bizrate

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Gemstones A-Z

Buy Square Shape 10x10 mm Gems

1.62 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8 x 7.8 mm

1.71 ct Yellow Sphene, 7 x 6.6 mm Oval Cut From Sri Lanka

0.63 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 6.8 x 4.8 mm

5.6 ct Yellow Quartz, 11.4 x 11.2 mm Asscher Cut From Brazil

8.72 ct Round Cut Smoky Quartz, 14 mm From Brazil

8.02 ct Yellow Quartz, 10 x 10 mm Odd Shaped From Brazil

1 carat Blue Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 4.6 mm

7.75 carat Yellow Zircon, Oval loose Zircon from Cambodia, Natural Gem, 12.8 x 10 mm

2.9 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6 x 4.2 mm

27.35 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 18.6 x 15 mm

33.92 ct Blue Aventurine, 36.3 x 10.8 mm Pencil Cut From Brazil

3.09 ct Green Apatite, 8.6 x 8.4 mm Asscher Cut From Madagascar

26.31 ct Oval Fossil Coral, 20.6 x 12 mm From Indonesia

1.11 ct Loose Purple Spinel, 6.3 x 5.5 mm Cushion Cut From Tanzania

1.06 ct Yellow Sphene, 6.2 mm Round Cut From Sri Lanka

1.09 ct Yellow Beryl, 7.6 mm Round Cut From Madagascar

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

0.91 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 6.1 x 4.1 mm

3.78 ct Red Andesine Labradorite, 11 x 9 mm Oval Cut From Congo

1.65 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.8 x 6.7 mm

0.03 ct Loose Blue Diamond, 2.1 mm Diamond Cut From India

0.6 ct Yellow Sphalerite, 4.8 mm Round Cut From Spain

1.51 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.2 x 8.1 mm

3.37 ct Blue Green Grandidierite, 11.6 x 8.8 mm Oval Cut From Madagascar

2.94 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 10 x 7 mm

1.69 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 4 x 3.9 mm

1.55 carat Carved Leaf Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 11.5 x 7.7 mm

1.15 carat Green Sapphire, Round loose Sapphire from Tanzania, Natural Gems, 4.2 mm

3.23 ct Orange Moonstone, 10.3 x 5.1 mm Marquise Cut From India

8.48 ct Fancy Fire Agate, 16.8 x 10.2 mm From Mexico

19.75 ct Druzy Citrine, 19.8 x 11.1 mm From Uruguay

9.03 carat Green Opal, Pear Shape loose Opal from Brazil, Natural Untreated Gem, 16.3 x 14.9 mm

Gemstone Information

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