Calibrated 12 x 8 mm Pear Shape Loose Natural Gemstones from GemSelect

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 Pear shapes, facet cut and cabochon gems available now in 12 x 8 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 usually 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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 Pear Shape 12x8 mm Gems

9.32 ct Baguette Malachite, 9.2 x 7.4 mm From Congo

2.39 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gems, 9 x 7 mm

9.64 ct Oval Chrysoprase, 13.6 x 11.4 mm From Madagascar

18.83 ct Oval Checkerboard Color-Change Fluorite, 19.8 x 15 mm From Brazil

3.52 ct Orange Moonstone, 7 x 6.8 mm Cushion Cut From India

18.43 ct Oval Maw-Sit-Sit, 16.5 x 12.4 mm From Myanmar

2.22 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10.2 x 5.2 mm

3.39 ct Orange Sunstone, 7.1 x 5.2 mm Oval Cut From India

5.88 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 21.3 x 12.8 mm

1.19 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 6.8 x 5.1 mm

4.24 ct Yellow Agate, 11.5 x 10.1 mm Oval Cut From India

1.09 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.2 x 7.1 mm

6.76 carat Pink Mystic Topaz, Pear Shape loose Mystic Topaz from Brazil, Natural Gem, 14.1 x 10.1 mm

2.28 ct Oval Prehnite, 6.9 x 5.3 mm From South Africa

22.57 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 34.1 x 15.2 mm

6.15 ct Blue Green Grandidierite, 11.8 x 10 mm Oval Cut From Madagascar

1.19 ct Orange Moonstone, 6.1 x 6 mm Cushion Cut From India

1.07 ct Octagon Cut Peridot, 7.1 x 5.1 mm From China

23.4 ct Oval Pietersite, 30 x 22.2 mm From Namibia

27.08 ct Cushion Obsidian, 31.7 x 21.7 mm From India

0.68 ct Oval Checkerboard Peridot, 6 x 4.1 mm From China

1.12 carat Pink Malaya Garnet, Oval loose Malaya Garnet from Tanzania, Natural Untreated Gem, 7.1 x 5.2 mm

3.03 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm

0.49 ct Loose Yellow Sapphire, 4.9 x 4 mm Octagon Cut From Tanzania

1.17 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.7 x 3.3 mm

3.42 ct Round Labradorite, 7.2 mm From Madagascar

1.26 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5.9 mm

4.34 carat Pear Shape Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 5.2 x 3.1 mm

1.11 ct Cushion Cut Color-Change Diaspore, 7.5 x 5.1 mm From Turkey

3.06 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 9 x 6.3 mm

3.93 carat Red Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 10.8 x 7.3 mm

9.29 ct Baguette Tiger's Eye, 15.9 x 12 mm From Thailand

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