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

3.89 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

1.41 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 11.3 x 7.9 mm

1.32 ct Loose Pink Tourmaline, 6.9 mm Round Cabochon From Mozambique

4.46 ct Multicolor Spectrolite, 10.1 x 8.2 mm Oval Cut From Finland

3.37 carat Yellow Citrine, loose Citrine from Brazil, Natural Untreated Gem, 11.9 x 8.5 mm

14.21 ct Yellow Quartz, 16.9 x 16.7 mm Carved From Brazil

11.06 ct Oval Rutile Quartz, 20.2 x 11.6 mm From India

7.47 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 16.2 x 7.9 mm

1.62 ct Oval Cut Rainbow Moonstone, 9.1 x 7.1 mm From India

29.82 ct Octagon / Emerald Cut Lapis Lazuli, 25.6 x 14.9 mm From Afghanistan

11.67 ct Odd Shaped Druzy Variscite, 26.7 x 20.3 mm From Australia

15.88 ct Oval Checkerboard Labradorite, 18.1 x 12.9 mm From Madagascar

1.04 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 mm

17.37 carat Green Aventurine, Pear loose Aventurine from Brazil, Natural Untreated Gems, 19.4 x 12.7 mm

15.85 ct Carved Ruby-Zoisite, 15.3 x 14.1 mm From Tanzania

36.09 ct Oval Boulder Opal, 29.8 x 18.5 mm From Australia

1.98 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 6.8 mm

5.68 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10.1 x 8.1 mm

2.08 ct Oval Carnelian, 8.9 x 7 mm From India

2.1 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.7 x 7.2 mm

5.61 carat Round Cabochon Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 11.1 mm

25.09 ct Black Spinel, 19.9 x 10.1 mm Baguette Rose Cut From Thailand

1.85 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.8 x 2.9 mm

2.44 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

2.6 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gems, 6.2 x 6.1 mm

2.84 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 10.2 x 8.7 mm

2.39 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

2.94 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gem, 9.1 x 9 mm

8.25 ct Oval Tiger's Eye, 13.4 x 12.1 mm From Thailand

3.22 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 12.2 x 7.4 mm

0.13 ct Square Cut Iolite, 3.3 x 3.1 mm From Madagascar

5.95 carat Pear Black Opal, loose Certified Black Opal from Ethiopia, Natural Gem, 19.5 x 12.8 mm

Gemstone Information

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