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

10.63 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 18 x 13 mm

1.24 carat White Opal, Pear Shape loose Opal from Australia, Natural Untreated Gem, 11.9 x 7 mm

0.53 ct Loose Violet Sapphire, 5.9 x 4 mm Oval Cut From Tanzania

4.9 ct Gray Jadeite, 18.7 x 8.8 mm Marquise Cut From Myanmar

5.07 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6 x 4.1 mm

8.53 ct Oval Star Ruby, 12.7 x 10.4 mm From Madagascar

5.18 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8.1 mm

0.48 ct Orange Sphalerite, 4.7 mm Round Cut From Spain

1.43 carat Orange Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Untreated Gem, 6.4 mm

2.95 ct Square Cut Rainbow Moonstone, 3.1 x 3.1 mm From India

3.65 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 10.3 x 8.2 mm

20.39 ct Pencil Cut Tiger's Eye, 31.5 mm From Thailand

5.64 ct Oval Malachite, 13.9 x 9.9 mm From Congo

1.61 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

3.46 ct Blue Star Sapphire, 7 x 5.1 mm Oval Cut From Thailand

12.28 ct Black Spinel, 19.9 x 10 mm Baguette Rose Cut From Thailand

3.23 ct Diamond Cut Andalusite, 3.6 mm From Brazil

1.97 carat Heart Buff Top Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 8.2 x 8.1 mm

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

9.06 ct Yellow Quartz, 9.8 x 9.5 mm Carved From Brazil

0.48 ct Loose Yellow Sapphire, 4.6 x 4.5 mm Heart Cut From Tanzania

8.5 ct Fancy Fire Agate, 18.8 x 10.5 mm From Mexico

25.87 ct Oval Tiger's Eye Matrix, 23.9 x 16.9 mm From Mexico

4.98 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12 x 10 mm

21.8 carat Black Tourmaline, Pear Shape loose Tourmaline from Mozambique, Natural Untreated Gem, 27.5 x 16 mm

1.81 ct Oval Carnelian, 8.3 x 6.1 mm From India

72.2 carat Uvarovite Garnet Drusy, loose Certified Uvarovite Garnet Drusy from Russia, Natural Untreated Gem, 49.2 x 26.1 mm

12.81 ct Baguette Rainbow Moonstone, 19.2 x 10.2 mm From the United States

4.67 ct Round Cut Smoky Quartz, 11.9 mm From Brazil

10.48 ct Yellow Quartz, 15.8 x 15.7 mm Octagon Concave Cut From Brazil

0.46 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.2 x 4.2 mm

2.74 ct Orange Moonstone, 6.2 x 6.2 mm Cushion Cut From India

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