Calibrated 20 x 15 mm Pear Shape Natural Loose Gemstones: 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 20 x 15 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 20x15 mm Gems

38.35 ct Oval Agate, 24.9 x 20.6 mm From Indonesia

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

1.42 ct Round Onyx, 7.1 mm From Sri Lanka

1.55 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.8 x 4.9 mm

4.5 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10 x 5 mm

0.61 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 5.5 x 4.4 mm

0.8 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 8.2 x 4.2 mm

4.28 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12.1 x 5.9 mm

2.25 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10 x 5.2 mm

1.24 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 18 x 2.9 mm

7.77 ct Yellow Quartz, 12.6 x 12.5 mm Asscher Cut From Brazil

1.72 ct Pink Morganite, 7.8 x 5.6 mm Oval Cut From Afghanistan

1.37 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5.1 mm

33.32 carat Pear Hematite, loose Certified Hematite from Brazil, Natural Untreated Gem, 25.3 x 16.4 mm

33.51 ct Loose Blue Green Turquoise, 27.9 x 18.7 mm Oval Cut From the United States

0.82 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 8.2 x 4.1 mm

1.63 carat Heart Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 6.1 x 6.1 mm

4.95 ct Green Jadeite, 11.8 x 9.6 mm Oval Cut From Myanmar

6.84 ct Green Amazonite, 19.2 x 9.9 mm Marquise Cut From Madagascar

0.86 carat Blue Tanzanite, Round loose Tanzanite from Tanzania, Natural Gem, 5.3 mm

2.52 carat Swiss Blue Topaz, Trillion-Cut loose Topaz from Brazil, Natural Gems, 7 x 7.2 mm

2.4 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.8 x 7.4 mm

0.88 ct Round Strawberry Quartz, 5.1 mm From Russia

0.61 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.1 mm

21.93 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 27.8 x 17.1 mm

0.78 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.5 x 5 mm

3.5 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 8.9 x 8.8 mm

1.72 ct Green Sphene, 7.4 x 6.5 mm Oval Cut From Sri Lanka

3.52 ct Green Sphene, 7.3 x 6.6 mm Oval Cut From Sri Lanka

19.43 ct Black Spinel, 15.9 x 11.8 mm Oval Rose Cut From Thailand

0.13 carat Baguette Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 3.6 x 2.7 mm

3.07 ct Oval Prehnite, 8.7 x 8 mm From South Africa

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