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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Gemstones A-Z

Buy Trillion Shape 6x6 mm Gems

0.9 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 10.4 x 4.9 mm

9.09 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gem, 21 x 14.1 mm

1.57 ct Round Concave Cut Mystic Quartz, 7.9 mm From Brazil

0.05 ct Black Diamond, 2.1 mm Diamond Cut From India

6.51 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

31.41 carat Pear Dendritic Agate, loose Certified Dendritic Agate from India, Natural Untreated Gem, 32.5 x 22.3 mm

1.41 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 17.4 x 3.4 mm

0.99 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 5 mm

5.29 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 14.5 x 7.3 mm

2.45 carat Cushion Checkerboard Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 8.2 mm

1.56 ct Loose Round Cut Lapis Lazuli, 6 mm From Afghanistan

1.4 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18.6 x 3.1 mm

1.26 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 8.3 x 6.2 mm

2.96 ct Round Onyx, 7.2 mm From Sri Lanka

2.8 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.2 x 5.2 mm

3.29 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.1 x 4.2 mm

11.51 carat Pear Boulder Opal, loose Certified Boulder Opal from Australia, Natural Untreated Gem, 26.8 x 14.6 mm

1.18 carat Cushion Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gem, 5.8 x 5.3 mm

1.26 ct Marquise Cut Peridot, 8.1 x 4.1 mm From China

121.07 ct Trillion Chrysocolla, 45.1 x 40.4 mm From Australia

10.19 ct Green Jadeite, 16.7 x 12.4 mm Oval Cut From Myanmar

1.54 ct Loose Orange Sapphire, 8 x 6.1 mm Oval Cut From Tanzania

19.24 carat Oval Nuummite, loose Certified Nuummite from India, Natural Untreated Gem, 22.9 x 13.3 mm

1.92 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12 x 5.9 mm

0.13 carat Square Emerald, loose Certified Emerald from Colombia, Natural Gem, 2.7 x 2.7 mm

1.8 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10 x 5 mm

3.3 ct Oval Tiger's Eye, 10.3 x 8.2 mm From Thailand

3.2 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 10 x 8 mm

2.48 carat Yellow Citrine, Baguette Cut loose Citrine from Brazil, Natural Untreated Gem, 12.1 x 6.1 mm

14.38 ct Oval Cat's Eye Opal, 17.2 x 13 mm From Madagascar

2.47 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10 x 5.1 mm

7.5 carat White Topaz, Emerald Cut loose Topaz from Brazil, Natural Untreated Gems, 9.9 x 7.9 mm

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