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

36.09 carat Green Amazonite, Oval loose Amazonite from Madagascar, Natural Untreated Gem, 28.3 x 18.3 mm

0.33 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.9 x 3.9 mm

3.05 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gems, 6.2 x 6.2 mm

21.15 ct Oval Rainbow Moonstone, 22.6 x 13.2 mm From the United States

2.91 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.6 mm

1.25 ct Purple Spinel, 7.2 x 6.2 mm Cushion Cut From Tanzania

19.11 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 34.2 x 13.4 mm

4.9 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 13.7 x 10.4 mm

1.22 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 6.8 x 5 mm

1.26 ct Violet Spinel, 6.9 x 6 mm Cushion Cut From Tanzania

2.96 ct Oval Smoky Quartz, 8.1 x 6.1 mm From Brazil

25.82 ct Marquise Rutile Quartz, 31.1 x 13.8 mm From India

0.51 ct Loose Purple Sapphire, 4.9 x 4.3 mm Oval Cut From Tanzania

0.15 ct White Diamond, 2.7 mm Diamond Cut From Brazil

2.42 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 10 x 4.9 mm

6.39 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15.1 x 9.3 mm

1.53 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.9 x 3.3 mm

11.78 ct Oval Pietersite, 14.1 x 10.1 mm From China

1.65 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 8 x 6 mm

11.61 ct Loose Oval Agate, 15.1 x 12.7 mm From Indonesia

18.37 ct Yellow Quartz, 15.9 x 13.8 mm Star Cut From Brazil

1.44 ct Loose Orange Sapphire, 6.1 x 4.1 mm Oval Cut From Tanzania

23.17 ct Loose Blue Green Turquoise, 21.4 x 16.3 mm Oval Cut From the United States

14.18 carat Pear Rainbow Moonstone, loose Certified Rainbow Moonstone from the United States, Natural Untreated Gem, 22.4 x 12.8 mm

0.91 ct Oval Chocolate Opal, 8.9 x 6.2 mm From Ethiopia

1.96 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.8 x 3.9 mm

6.06 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 9.2 x 9.1 mm

0.28 ct Yellow Sphalerite, 3.9 x 3.3 mm Oval Cut From Spain

1.23 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 7 x 5.2 mm

0.44 ct Loose Yellow Sapphire, 5.3 x 3.2 mm Octagon Cut From Tanzania

1.83 carat Orange Zircon, Emerald Cut loose Zircon from Tanzania, Natural Untreated Gem, 7.2 x 5 mm

6.78 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 12.6 x 9.8 mm

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