Calibrated 6 x 6 mm Trillion Shape Loose Natural Gemstones from Ge...

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 Trillion shapes, facet cut and cabochon gems available now in 6 mm x 6 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

My first purchase went well. I will purchase more gems in the future.

Posted By NoHalalAl in March, 2024

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Overall Rating -> 10

Everything was fine.

Posted By Matt in March, 2024

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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

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Overall Rating -> 9

Easy to use. Limited supply of higher quality gemstones.

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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 -> 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.

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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

Purchasing from Gem Select was a pleasant and easy experience. The photos of the stones I was interested in were an accurate depiction of the stones I received. Ordering was easy and the items arrived within a week. Over all it was a very positive experience.

Posted By Dee in September, 2023

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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

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Overall Rating -> 10

Fine. All emails answered. Excellent service. Nice discount added for orders. Briefly, a very good experience.

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Overall Rating -> 10

Great selection, I love your site! Great product visibility, information, etc.

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Overall Rating -> 10

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Overall Rating -> 10

Great selection

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Overall Rating -> 10

Convenient selection, arrival on time

Posted By Alin in February, 2024

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Overall Rating -> 8

I did not realize how small the stone was. I cannot use it for the project I wanted, but I am keeping the stone and tru to use it in something else.

Posted By Mark in March, 2024

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Gemstones A-Z

Buy Trillion Shape 6x6 mm Gems

0.73 ct Loose Purple Sapphire, 6.6 x 4.7 mm Oval Cut From Madagascar

15.79 ct Oval Agate, 16.7 x 14.1 mm From Indonesia

1.54 ct Pink Morganite, 7.8 mm Round Cut From Afghanistan

0.51 ct White Diamond, 3.3 x 2.9 mm Heart Cut From Brazil

7.34 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gems, 17.9 x 12.2 mm

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

4.1 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 6.6 x 4.6 mm

3.92 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 14 x 7.1 mm

5.69 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 13.2 x 9.9 mm

2.28 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 9.7 x 7.9 mm

1.35 carat White Zircon, Diamond-Cut loose Zircon from Myanmar, Natural Gem, 6.4 mm

2.06 carat Blue Green Fluorite, Pear Shape loose Fluorite from India, Natural Untreated Gem, 9 x 6.9 mm

1 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.8 mm

1.01 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 5.8 x 4.5 mm

1.61 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

1.7 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 10.3 x 8.1 mm

0.47 ct Loose Purple Sapphire, 5.1 x 4.1 mm Oval Cut From Madagascar

1.09 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7.1 x 7 mm

1.22 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 8 x 5.9 mm

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

0.73 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.5 mm

12.86 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15.1 x 15 mm

1.72 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 5.9 x 5.7 mm

7.35 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 15.7 mm

1.1 carat Heart Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 6.7 x 5.8 mm

2.06 carat Blue Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 4.4 mm

1.59 ct Purple Kunzite, 6.6 x 6.4 mm Odd Shaped From Afghanistan

0.39 ct Loose Orange Sapphire, 4.9 x 2.5 mm Marquise Cut From Tanzania

1.34 ct Oval Black Opal, 9 x 7 mm From Ethiopia

0.8 ct Loose Orange Sapphire, 5.4 mm Round Cut From Tanzania

9.19 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 14.1 x 10.1 mm

1.09 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia

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