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

3.36 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

1.2 ct Loose Pink Sapphire, 4.1 x 3.9 mm Trillion Cut From Tanzania

71.74 carat Pear Howlite, loose Certified Howlite from the United States, Natural Untreated Gem, 40.8 x 31.7 mm

1.28 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 x 6 mm

2.01 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.8 x 6.6 mm

1.02 ct Yellow Morganite, 7.9 x 6 mm Oval Cut From Afghanistan

15.85 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20 x 15.1 mm

1.91 carat Swiss Blue Topaz, Square loose Topaz from Brazil, Natural Gem, 6.9 x 6.9 mm

2.25 carat Blue Green Grandidierite, Pear loose Grandidierite from Madagascar, Natural Untreated Gem, 10 x 6.9 mm

2.06 carat Blue Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 4.6 mm

1.69 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 8 mm

1.23 ct Yellow Beryl, 8.1 x 7.9 mm Trillion Cut From Madagascar

26.89 ct Oval Rose Quartz, 19.9 x 15.2 mm From South Africa

5.87 ct Oval Cat's Eye Opal, 12.7 x 11 mm From Madagascar

10.29 ct Oval Serpentine, 20.9 x 13.4 mm From the United States

4.77 carat Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 11.5 x 10.9 mm

28.56 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 22.9 x 16.6 mm

43.13 ct Cushion Pyrite, 27.3 x 22.1 mm From Russia

10.1 ct Pink Moonstone, 10.6 x 10.3 mm Carved From India

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

39.37 ct Oval Checkerboard Nuummite, 25.7 x 21.8 mm From India

50.09 ct Fancy Jasper, 32.1 x 29.6 mm From Mexico

0.05 ct Blue Diamond, 2.2 mm Diamond Cut From India

14.13 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 19.2 x 14.6 mm

9.76 ct Star Cut Smoky Quartz, 16.2 x 14.1 mm From Brazil

19.41 ct Oval Onyx, 25.1 x 18.2 mm From Sri Lanka

2.02 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 9 x 7.1 mm

0.25 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 4.2 x 3.5 mm

4.87 ct Loose Multicolor Mystic Quartz, 9.1 mm Round Concave Cut From Brazil

2.43 ct Oval Checkerboard Rainbow Moonstone, 7 x 6 mm From India

7.88 ct Oval Boulder Opal, 16.8 x 11.6 mm From Australia

15.88 ct Loose Oval Agate, 16 x 14.7 mm From Indonesia

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