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

15.05 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 31.3 x 14.2 mm

1.84 carat Marquise Cut Ruby, loose Certified Ruby from Myanmar, Natural Gem, 10.8 x 5.6 mm

10.27 ct Yellow Quartz, 18.5 x 9.6 mm Octagon Cut From Brazil

0.8 ct Pink Morganite, 7.3 x 5.4 mm Oval Cut From Afghanistan

3.31 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.7 mm

19.31 ct Oval Hematite, 18.1 x 9.4 mm From Brazil

2.21 carat Green Fluorite, Pear Shape loose Fluorite from India, Natural Untreated Gem, 9.5 x 7.3 mm

0.57 ct Loose Yellow Sapphire, 6.1 x 5.1 mm Oval Cut From Tanzania

2.87 ct Princess Cut Peridot, 5 x 5 mm From China

7.54 carat Swiss Blue Topaz, Carved Flower loose Topaz from Brazil, Natural Gem, 12 x 11.8 mm

0.03 ct Loose Green Diamond, 2 mm Diamond Cut From India

29.54 ct Marquise Hematite, 29.9 x 13.5 mm From Brazil

0.62 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 6.9 x 5 mm

2.55 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.1 x 4 mm

3.62 carat Red Malaya Garnet, Round loose Malaya Garnet from Tanzania, Natural Untreated Gems, 5.5 mm

3.04 carat Swiss Blue Topaz, Fancy-Cut loose Topaz from Brazil, Natural Gems, 9.8 x 5.1 mm

1.65 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gem, 9.9 x 7.9 mm

1.04 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 6 x 4 mm

18.45 ct Loose Oval Bloodstone, 28.8 x 17 mm From Madagascar

5.36 carat Round Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 8 mm

0.06 ct Green Diamond, 2.4 mm Diamond Cut From India

19.72 carat Brown Spessartite Garnet, Carved Rose loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 15.6 x 14.3 mm

0.83 ct Oval Sillimanite Cat's Eye, 7 x 5.4 mm From Madagascar

5.21 ct Oval Rutile Quartz, 14.3 x 10.3 mm From India

0.55 ct Loose Yellow Sapphire, 5.4 x 4.6 mm Oval Cut From Tanzania

0.45 ct Round Cut Chrysoberyl Cat's Eye, 3.6 mm From Sri Lanka

4.81 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 13.8 x 10 mm

0.48 ct Gray Spinel, 4.5 x 4.2 mm Cushion Cut From Tanzania

12.31 carat Brown Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 13 x 10 mm

1.85 carat Orange Zircon, Oval loose Zircon from Tanzania, Natural Untreated Gem, 8 x 6 mm

1.94 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8.1 x 6.2 mm

1.27 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.9 x 3.6 mm

Gemstone Information

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