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Buy Trillion Shape 12x12 mm Gems

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Trillion Shape 12x12 mm Gems Single
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1.61 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 16.2 x 5 mm, Photo A

1.61 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 16.2 x 5 mm

Smoky Quartz

1.61ct1 pc
$ 8.05
16.2 x 5 mm
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0.83 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 5 x 3.1 mm, Photo A

0.83 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 5 x 3.1 mm

Zircon

0.83ct total2 pcs
$ 40.67
5 x 3.1 mm
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1.47 ct Oval Cut Rainbow Moonstone, 8.1 x 6.2 mm From the United States, Photo A

1.47 ct Oval Cut Rainbow Moonstone, 8.1 x 6.2 mm From the United States

Rainbow Moonstone

1.47ct1 pc
$ 25.12
8.1 x 6.2 mm
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4.12 ct Asscher Cut Rose Quartz, 8.4 x 8.3 mm From South Africa, Photo A

4.12 ct Asscher Cut Rose Quartz, 8.4 x 8.3 mm From South Africa

Rose Quartz

4.12ct total2 pcs
$ 22.66
8.4 x 8.3 mm
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1.42 ct Loose Pink Sapphire, 2.6 x 2.6 mm Octagon Cut From Tanzania, Photo A

1.42 ct Loose Pink Sapphire, 2.6 x 2.6 mm Octagon Cut From Tanzania

Sapphire

1.42ct total10 pcs
$ 46.86
2.6 x 2.6 mm
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2.36 carat Princess-Cut Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 2.2 x 2.2 mm, Photo A

2.36 carat Princess-Cut Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 2.2 x 2.2 mm

Tsavorite Garnet

2.36ct total30 pcs
$ 220.66
2.2 x 2.2 mm
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3.02 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 7 x 7 mm, Photo A

3.02 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 7 x 7 mm

Citrine

3.02ct total2 pcs
$ 21.07
7 x 7 mm
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21.02 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gems, 24.5 x 15.2 mm, Photo A

21.02 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gems, 24.5 x 15.2 mm

Jasper

21.02ct total2 pcs
$ 12.40
24.5 x 15.2 mm
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0.93 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 5.2 mm, Photo A

0.93 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 5.2 mm

Hessonite Garnet

0.93ct1 pc
$ 20.46
7.5 x 5.2 mm
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2.27 ct Round Cut Peridot, 5.1 mm From China, Photo A

2.27 ct Round Cut Peridot, 5.1 mm From China

Peridot

2.27ct total4 pcs
$ 37.46
5.1 mm
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0.42 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.8 x 3.8 mm, Photo A

0.42 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.8 x 3.8 mm

Sapphire

0.42ct1 pc
$ 63.00
5.8 x 3.8 mm
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1.69 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 21.7 x 3.2 mm, Photo A

1.69 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 21.7 x 3.2 mm

Tourmaline

1.69ct1 pc
$ 55.77
21.7 x 3.2 mm
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2.46 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.8 mm, Photo A

2.46 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.8 mm

Pyrope Garnet

2.46ct total4 pcs
$ 18.94
4.9 x 4.8 mm
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0.2 ct Blue Apatite, 3.4 mm Round Cut From Madagascar, Photo A

0.2 ct Blue Apatite, 3.4 mm Round Cut From Madagascar

Apatite

0.20ct1 pc
$ 4.29
3.4 mm
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3.35 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 7.9 x 6 mm, Photo A

3.35 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 7.9 x 6 mm

Citrine

3.35ct total2 pcs
$ 23.45
7.9 x 6 mm
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1.72 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 x 6.6 mm, Photo A

1.72 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 x 6.6 mm

Hessonite Garnet

1.72ct1 pc
$ 34.40
7.9 x 6.6 mm
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3.21 carat Carved Leaf Ruby, loose Certified Ruby from Madagascar, Natural Gem, 14.1 x 10.2 mm, Photo A
Click for Product Video (691153)

3.21 carat Carved Leaf Ruby, loose Certified Ruby from Madagascar, Natural Gem, 14.1 x 10.2 mm

Ruby

3.21ct1 pc
$ 64.20
14.1 x 10.2 mm
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0.68 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 5.2 mm, Photo A

0.68 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 5.2 mm

Emerald

0.68ct1 pc
$ 54.40
6.1 x 5.2 mm
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2.22 ct Orange Agate, 9 x 7.2 mm Oval Cut From India, Photo A

2.22 ct Orange Agate, 9 x 7.2 mm Oval Cut From India

Agate

2.22ct1 pc
$ 4.88
9 x 7.2 mm
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19.16 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 18.1 x 14.1 mm, Photo A

19.16 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 18.1 x 14.1 mm

Amethyst

19.16ct1 pc
$ 134.12
18.1 x 14.1 mm
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32.99 ct Loose Brown Jasper, 36.4 x 10.9 mm Pencil Cut From Indonesia, Photo A

32.99 ct Loose Brown Jasper, 36.4 x 10.9 mm Pencil Cut From Indonesia

Jasper

32.99ct1 pc
$ 6.60
36.4 x 10.9 mm
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2.64 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 4.9 mm, Photo A

2.64 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 4.9 mm

Pyrope Garnet

2.64ct total4 pcs
$ 20.33
5 x 4.9 mm
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1.27 carat Pink Tourmaline, Oval loose from Mozambique, Natural Untreated Gem, 7.1 x 5.7 mm, Photo A

1.27 carat Pink Tourmaline, Oval loose from Mozambique, Natural Untreated Gem, 7.1 x 5.7 mm

Tourmaline

1.27ct1 pc
$ 21.13
7.1 x 5.7 mm
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20.73 ct Oval Tiger's Eye, 24.7 x 16.6 mm From Thailand, Photo A

20.73 ct Oval Tiger's Eye, 24.7 x 16.6 mm From Thailand

Tiger's Eye

20.73ct1 pc
$ 45.61
24.7 x 16.6 mm
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1.99 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.9 x 3.1 mm, Photo A

1.99 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.9 x 3.1 mm

Tanzanite

1.99ct total10 pcs
$ 76.62
4.9 x 3.1 mm
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8.92 ct Oval Rainbow Moonstone, 16.9 x 10.2 mm From the United States, Photo A

8.92 ct Oval Rainbow Moonstone, 16.9 x 10.2 mm From the United States

Rainbow Moonstone

8.92ct1 pc
$ 160.56
16.9 x 10.2 mm
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1.49 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 10 x 5.2 mm, Photo A

1.49 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 10 x 5.2 mm

Citrine

1.49ct1 pc
$ 11.47
10 x 5.2 mm
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42.1 ct Fancy Rhodochrosite, 40.4 x 16.6 mm From South Africa, Photo A

42.1 ct Fancy Rhodochrosite, 40.4 x 16.6 mm From South Africa

Rhodochrosite

42.10ct1 pc
$ 55.57
40.4 x 16.6 mm
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3.81 ct Orange Sunstone, 9.9 mm Round Cut From India, Photo A

3.81 ct Orange Sunstone, 9.9 mm Round Cut From India

Sunstone

3.81ct1 pc
$ 22.30
9.9 mm
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16.35 ct Oval Howlite, 24.6 x 18.6 mm From the United States, Photo A

16.35 ct Oval Howlite, 24.6 x 18.6 mm From the United States

Howlite

16.35ct1 pc
$ 8.18
24.6 x 18.6 mm
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0.35 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4 mm, Photo A

0.35 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4 mm

Sapphire

0.35ct1 pc
$ 52.50
6 x 4 mm
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0.46 ct Loose Orange Sapphire, 4.8 x 3.9 mm Octagon Cut From Tanzania, Photo A

0.46 ct Loose Orange Sapphire, 4.8 x 3.9 mm Octagon Cut From Tanzania

Sapphire

0.46ct1 pc
$ 25.09
4.8 x 3.9 mm
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Photos are of Actual Products for Sale

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 12 mm x 12 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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