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

1.83 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 11.9 x 6 mm

3.69 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.6 mm

0.77 carat Round Grossularite Garnet, loose Certified Grossularite Garnet from Tanzania, Natural Untreated Gem, 5.3 mm

2.07 carat Swiss Blue Topaz, Fancy-Cut loose Topaz from Brazil, Natural Gems, 6.9 x 4.9 mm

0.59 ct Oval Sillimanite Cat's Eye, 6.7 x 3.8 mm From Madagascar

1.67 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5 mm

1.54 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

15.91 ct Baguette Tiger's Eye Matrix, 19.9 x 9.3 mm From Mexico

3.89 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12.1 x 6 mm

5.94 ct Multicolor Mystic Quartz, 10.3 x 10.2 mm Trillion Concave Cut From Brazil

1.75 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 7.1 x 7.1 mm

3.64 ct Loose Cushion Pietersite, 12.4 x 9.8 mm From Namibia

0.54 ct Loose Violet Sapphire, 5.7 x 4.6 mm Oval Cut From Tanzania

5.23 ct Round Labradorite, 8.2 mm From Madagascar

0.41 ct Loose Orange Sapphire, 6 x 4.1 mm Oval Cut From Tanzania

1.41 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.1 x 5 mm

22.78 ct Baguette Hematite, 17.3 x 14.5 mm From Brazil

0.88 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 5.3 mm

2.15 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.1 x 8 mm

15.3 ct Marquise Jasper, 32.8 x 15.8 mm From Mexico

1.43 ct Blue Apatite, 5.1 x 4.1 mm Oval Cut From Madagascar

4.99 carat Sky Blue Topaz, Half Drilled Briolette loose Topaz from Brazil, Natural Gems, 8 mm

2.54 ct Cushion Checkerboard Peridot, 9.7 x 7.7 mm From China

0.41 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

4.94 ct Cushion Onyx, 11 x 11 mm From Sri Lanka

1.98 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gem, 7.3 x 7.1 mm

0.52 ct Loose Violet Sapphire, 6.3 x 4.4 mm Oval Cut From Tanzania

7.17 carat Pear Quartz With Marcasite, loose Certified Quartz With Marcasite from Brazil, Natural Untreated Gem, 14.8 x 11.2 mm

23.67 ct Pencil Cut Jasper, 38.8 x 9.8 mm From Indonesia

0.42 ct Blue Kyanite, 3.6 mm Round Cut From Nepal

2.06 ct Oval Rutile Quartz, 9.2 x 7.1 mm From India

7.25 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 15.1 x 11 mm

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