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

Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

Posted By Erick in July, 2023

Source: Bizrate

Overall Rating -> 10

Very large selection of items and we used the stones to have several pieces of jewelry made for us.

Posted By Joe in January, 2024

Source: Bizrate

Overall Rating -> 10

Website was incredibly easy and fast to use. Navigation and product outlay was simple and enjoyable to browse. Thank you and have a blessed day!

Posted By Devi in October, 2023

Source: Bizrate

Overall Rating -> 10

Great experience! First time buyer

Posted By Todi89 in February, 2024

Source: Bizrate

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

Source: Bizrate

Overall Rating -> 10

I have used GemSelect for several years and plan to shop more in the further. This is a good source of information on gemstones. I love looking at and learning about them. Lot more than I ever knew existed.

Posted By Bikerwalrus in October, 2023

Source: Bizrate

Overall Rating -> 10

Selection and purchasing online was very easy

Posted By Aggy in January, 2024

Source: Bizrate

Overall Rating -> 10

Had a problem ordering first time. Someone from Gem Select reached out to me and cleared problem and I made purchase.

Posted By Myrtle in February, 2024

Source: Bizrate

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

Source: Bizrate

Overall Rating -> 10

I have used Gem Select many times over the past 10 years and have always been happy with the product & services

Posted By Ordain in August, 2023

Source: Bizrate

Overall Rating -> 9

I was in the market for birthstones for a lil gift project im doing. I'm no expert in gems or what not but the quality as far as i can tell seems to be spot on.

Posted By PixelComposer in January, 2024

Source: Bizrate

Overall Rating -> 8

Very easy to find the specific stone I was looking for. I am pleased by both the selection and the price of the stones that are available. The only "bad" thing that I have to say is that the interface of the site is outdated.

Posted By Nick in March, 2024

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

Found what I was looking for

Posted By Rian in June, 2023

Source: Bizrate

Overall Rating -> 10

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

Posted By Seastone 56 in October, 2023

Source: Bizrate

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Gemstones A-Z

Buy Trillion Shape 6x6 mm Gems

26.59 ct Oval Jasper, 22.7 x 15.2 mm From Indonesia

2.78 carat Half Drilled Briolette Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9.8 mm

31.89 ct Oval Jasper, 31.5 x 21.1 mm From Indonesia

4.3 ct Round Rutile Quartz, 10.9 mm From India

1.57 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 7.2 x 6.4 mm

2.32 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5 mm

38.51 ct Fancy Jasper, 30.1 x 18.8 mm From Indonesia

98.09 carat Pear Shape Rose Quartz, loose Certified Rose Quartz from South Africa, Natural Untreated Gem, 39.1 x 26.7 mm

8.4 ct Round Checkerboard Labradorite, 12.1 mm From Madagascar

0.64 ct Loose Purple Spinel, 5.9 x 3.6 mm Octagon Cut From Tanzania

1.72 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.2 mm

1.1 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 7.1 mm

17.21 ct Oval Jasper, 24.7 x 17.7 mm From Indonesia

6.68 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 12.6 mm

0.34 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.8 x 4 mm

9.88 ct Cushion Onyx, 11 x 10.9 mm From Sri Lanka

4.88 ct Yellow Moonstone, 12.3 x 8.6 mm Oval Cut From India

2 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 x 6.1 mm

0.8 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7 x 5.1 mm

1.58 ct Blue Star Sapphire, 6.9 x 5.3 mm Oval Cut From Thailand

1.3 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 7.9 x 5.8 mm

0.67 ct Loose Pink Sapphire, 2.3 x 2.3 mm Princess Cut From Tanzania

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

5.84 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 15.1 x 11 mm

1.44 carat Purple Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 7 x 5.5 mm

1.12 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gem, 11.5 x 6.7 mm

2.71 ct Oval Cat's Eye Opal, 10.7 x 6.3 mm From Madagascar

7.76 ct Cushion Pietersite, 23.9 x 9.4 mm From China

2.88 ct Loose Baguette Labradorite, 9.1 x 7 mm From Madagascar

0.58 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.2 x 4.2 mm

0.48 ct Loose Orange Sapphire, 6 x 3.9 mm Oval Cut From Tanzania

2.37 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 15.7 x 4.4 mm

Gemstone Information

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