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

1.89 ct Round Cut Strawberry Quartz, 8.1 mm From Russia

0.56 ct Loose Yellow Sapphire, 4.5 x 4.4 mm Square Cut From Tanzania

5.25 carat Sky Blue Topaz, Trillion loose Topaz from Brazil, Natural Gems, 7.2 x 7.1 mm

0.67 carat Blue Sapphire, Pear Shape loose Sapphire from Sri Lanka, Natural Gem, 6.1 x 5.1 mm

15.21 ct Loose Oval Lapis Lazuli, 16.6 x 12.4 mm From Afghanistan

3.12 carat Trillion Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5.2 x 5.1 mm

1.71 carat Baguette Facet Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 4 x 2.1 mm

7.2 carat Sky Blue Topaz, Marquise Cut loose Topaz from Brazil, Natural Gems, 15.1 x 7.1 mm

11.93 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 18.1 x 13.1 mm

6.69 ct Fancy Fire Agate, 16.3 x 10.5 mm From Mexico

1.05 ct Oval Sillimanite Cat's Eye, 7.8 x 5.2 mm From Madagascar

4.82 ct Asscher Cut Rose Quartz, 8.6 x 8.5 mm From South Africa

0.57 carat Green Sapphire, Cushion loose Sapphire from Tanzania, Natural Gem, 4.4 x 4.2 mm

1.29 ct Blue Kyanite, 7.2 x 5.2 mm Oval Cut From Nepal

5.93 carat Yellow Citrine, Emerald Cut loose Citrine from Bolivia, Natural Untreated Gem, 11.1 x 10 mm

0.57 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4.1 mm

4.78 carat Diamond-Cut Tsavorite Garnet, loose Certified Tsavorite Garnet from Kenya, Natural Untreated Gems, 2.2 mm

2.06 carat London Blue Topaz, Round loose Topaz from Brazil, Natural Gem, 7.8 mm

2.29 ct Cushion Cut Peridot, 8.5 x 7.1 mm From Myanmar

3.1 ct Oval Cut Rainbow Moonstone, 8.8 x 6.7 mm From the United States

3.61 ct Round Checkerboard Smoky Quartz, 8.1 mm From Brazil

1.95 carat Orange Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 8.1 x 6.1 mm

4.19 ct Yellow Agate, 11.5 x 9.6 mm Oval Cut From India

3.58 carat Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 10 x 8 mm

6.11 ct Oval Prehnite, 8.6 x 7.4 mm From South Africa

5.32 carat Swiss Blue Topaz, Drilled-Briolette loose Topaz from Brazil, Natural Gems, 8 mm

0.59 ct Loose Orange Sapphire, 5.2 x 4.1 mm Octagon Cut From Tanzania

6.71 ct Yellow Apatite, 12.5 mm Round Cut From Madagascar

2.14 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7.2 x 7.2 mm

0.64 ct Purple Spinel, 5.5 x 4.2 mm Cushion Cut From Tanzania

0.71 carat Yellow Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 6.1 x 4.9 mm

1.07 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.6 x 4.7 mm

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