Calibrated 6 x 4 mm Oval Shape Natural Loose Gemstones: GemSelect

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 oval shapes, facet cut and cabochon gems available now in 6 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 usually 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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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Gemstone Information

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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

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

Posted By MJC in January, 2024

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Overall Rating -> 9

Everything was good but since I am still new I was surprised at how small the stones where.

Posted By Js in May, 2023

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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

Posted By Jrplunk in April, 2024

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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

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Overall Rating -> 9

So many gorgeous stones! The only "complaint" I have is it's difficult to visualize sizes in mm. Perhaps some way to compare in inches?It has been a long time since I bought stones from Gem select, but the process wasn't too difficult.

Posted By Ktreva52 in February, 2024

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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 -> 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 -> 10

Great selection and excellent website.

Posted By JBW in October, 2023

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Overall Rating -> 10

Trustworthy site. I've had several good experiences with company. Products always have met my expectations. Thank you.

Posted By Ray in February, 2024

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Overall Rating -> 10

Very Good

Posted By Julian in July, 2023

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Overall Rating -> 10

first time here sooooooooooo we will seeeee!!!!! so far so good!!!!!!

Posted By Seastone 56 in October, 2023

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Overall Rating -> 10

The website is very easy to use. The search function, filter and sort functions are very helpful.

Posted By Sboro in August, 2023

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Overall Rating -> 10

Everything fine.

Posted By Hilario in December, 2023

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Overall Rating -> 9

It went well

Posted By Rob in December, 2023

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Gemstones A-Z

Buy Oval Shape 6x4 mm Gems

8.5 ct Loose Baguette Lapis Lazuli, 14.9 x 11.5 mm From Afghanistan

4.35 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13 x 9.7 mm

4.12 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 11.9 x 5.9 mm

1.37 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 4.8 mm

13.68 carat Pear Tiger's Eye, loose Certified Tiger's Eye from Thailand, Natural Untreated Gem, 20.3 x 15.1 mm

0.75 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gem, 6.1 x 6 mm

1.85 ct Orange Sunstone, 8.8 mm Round Cut From India

2.12 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.3 x 9.2 mm

2.92 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.8 x 4.9 mm

1.62 carat White Zircon, Diamond-Cut loose Zircon from Myanmar, Natural Gems, 5 mm

3.17 ct Oval Cut Fire Opal, 12.5 x 9.7 mm From Mexico

2.01 ct Blue Apatite, 5.1 x 4 mm Oval Cut From Madagascar

3.49 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 11.7 x 9.9 mm

22.33 carat Sky Blue Topaz, Cushion loose Topaz from Brazil, Natural Gem, 16.9 x 14.9 mm

1.01 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 5.8 mm

2.57 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.2 x 5.1 mm

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

18.64 ct Oval Rose Quartz, 18.2 x 13.1 mm From South Africa

3.44 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 8.9 x 8.8 mm

1.22 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 4.8 mm

8.06 carat Bi-color Ametrine, Oval loose Ametrine from Brazil, Natural Untreated Gem, 16.9 x 10.2 mm

0.44 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 5 x 4 mm

1.01 ct Violet Spinel, 6.4 x 5.4 mm Oval Cut From Tanzania

2.92 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 9.9 mm

5.82 ct Oval Quartz Cat's Eye, 12.1 x 9.8 mm From Sri Lanka

0.88 ct Loose Pink Sapphire, 8.2 x 6.4 mm Odd Shaped From Madagascar

22.93 ct Oval Pietersite, 29.9 x 22.3 mm From Namibia

1.79 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6.1 x 6.1 mm

7.17 ct Round Labradorite, 9.2 mm From Madagascar

1.12 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 6.1 x 4 mm

3.21 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.6 mm

25.83 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.1 mm

Gemstone Information

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