Calibrated 10 x 10 mm Trillion Shape Loose Natural Gemstones from ...

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 10 mm x 10 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 10x10 mm Gems

11.92 ct Oval Star Moonstone, 15.1 x 11.9 mm From India

5.57 ct Asscher Cut Rose Quartz, 10.4 x 10.3 mm From South Africa

4.18 ct Yellow Moonstone, 11.2 x 9.2 mm Oval Cut From India

1.57 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.1 x 6 mm

2.05 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 5.6 x 3.7 mm

2.1 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 14.4 x 9.3 mm

5.23 ct Round Rutile Quartz, 11 mm From India

0.41 ct Loose Pink Sapphire, 6.1 x 4.1 mm Oval Cut From Madagascar

5.42 ct Oval Tiger's Eye, 14.1 x 10.1 mm From India

2.16 ct Oval Cut Golden Beryl, 8.1 x 6.2 mm From Madagascar

0.16 carat Baguette Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.7 x 2.6 mm

1.93 ct Yellow Beryl, 8.1 mm Round Cut From Madagascar

1.53 ct Yellow Beryl, 8.2 mm Round Cut From Madagascar

40.7 ct Round Hematite, 21.7 mm From Brazil

0.58 ct Loose White Sapphire, 4.5 mm Round Cut From Tanzania

2.14 ct Oval Checkerboard Rainbow Moonstone, 7.1 x 6.2 mm From India

0.93 ct Cushion Cut Color-Change Diaspore, 7 x 4.6 mm From Turkey

3.11 ct Round Onyx, 7.2 mm From Sri Lanka

2.72 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gems, 7 x 7.2 mm

4.73 carat White Zircon, Diamond-Cut loose Zircon from Myanmar, Natural Gems, 7.7 mm

8.23 ct Green Agate, 13 x 12 mm Oval Cut From India

2.26 ct Cushion Cut Peridot, 8.1 x 7.3 mm From Myanmar

1.4 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.9 x 3 mm

5.36 carat Pear Shape Smoky Quartz, loose Certified Smoky Quartz from Brazil, Natural Untreated Gem, 14.9 x 0.9 mm

0.66 ct Oval Chrysoberyl Cat's Eye, 5.9 x 4.8 mm From Sri Lanka

1.06 carat Cushion Buff Top Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 5.2 x 5.2 mm

15.77 ct Yellow Quartz, 16.2 x 13.5 mm Oval Cut From Brazil

2.89 ct Brown Cat's Eye Apatite, 8.8 x 6.7 mm Oval Cut From Kenya

1.7 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.6 x 6.6 mm

1.64 ct Loose Oval Concave Cut Mystic Quartz, 9.1 x 7.1 mm From Brazil

2.55 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.8 mm

1.52 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.6 x 6.3 mm

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