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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Overall Rating -> 10

Easy to navigate

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Overall Rating -> 10

Awesome

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Overall Rating -> 10

Super easy to do business for great products.

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Overall Rating -> 10

Overall, the whole process was just great.

Posted By Thatoneguy in August, 2023

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Overall Rating -> 10

I searched for the item by description and millimeter and had my choice come up and then made the best selection.

Posted By Tim in April, 2024

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Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023

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Overall Rating -> 10

The gems were as described, which is kind of rare these days. I am happy with the purchase, and delevery on time.

Posted By T-bone in October, 2023

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Overall Rating -> 10

I bought a small ring green so I may practice my jewelry making.

Posted By HairyOtter in July, 2023

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Overall Rating -> 10

Best place to buy gem stones, dont bother shopping else where. Prices are great, no issues with shipping and customer service is the best.

Posted By J in December, 2023

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Overall Rating -> 10

Great selection of various gems, easy to navigate site

Posted By Josh in August, 2023

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Overall Rating -> 10

Convenient selection, arrival on time

Posted By Alin in February, 2024

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Overall Rating -> 8

I did not realize how small the stone was. I cannot use it for the project I wanted, but I am keeping the stone and tru to use it in something else.

Posted By Mark in March, 2024

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Overall Rating -> 10

great. thank you

Posted By Carrotroller in July, 2023

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Overall Rating -> 9

The selection and filtering is a little overwhelming, but that's only because there is so much to choose from.

Posted By Kasper in June, 2023

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Overall Rating -> 10

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

Posted By Nikki J in September, 2023

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Gemstones A-Z

Buy Pear Shape 20x15 mm Gems

1.99 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8.8 x 6.9 mm

21.55 ct Pink Coral, 24.7 x 15.4 mm Carved From Taiwan

31.71 ct Cushion Obsidian, 27.4 x 21.1 mm From Mexico

26.73 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 19.3 x 14.8 mm

2.72 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.1 x 8.2 mm

0.85 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gem, 7.1 x 5 mm

2.98 ct Yellow Quartz, 9 x 8.6 mm Carved From Brazil

17.21 ct Oval Jasper, 20.1 x 15.1 mm From Indonesia

1.4 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 9.2 x 6.5 mm

0.4 ct Loose Purple Sapphire, 5.6 x 4 mm Oval Cut From Madagascar

1.27 ct Octagon Cut Color-Change Diaspore, 12.1 x 3.9 mm From Turkey

1.19 ct Pink Morganite, 7.2 mm Round Cut From Afghanistan

1.22 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 5.9 mm

7.09 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 12.1 x 8 mm

2.27 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 4.9 mm

0.74 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.8 x 4.8 mm

1.06 ct Cushion Cut Color-Change Diaspore, 7 x 5.1 mm From Turkey

1.31 ct Yellow Beryl, 7.1 mm Round Cut From Brazil

2.84 ct Loose Trillion Cut Amethyst, 10 x 9.8 mm From Brazil

3.12 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.2 x 9.2 mm

26.4 ct Oval Pietersite, 29.6 x 22 mm From Namibia

1.06 carat Red Malaya Garnet, Marquise Cut loose Malaya Garnet from Tanzania, Natural Untreated Gem, 9.1 x 4.6 mm

0.73 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 6 x 3.9 mm

2.71 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 8 x 5 mm

2.25 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 4.8 x 4.7 mm

1.96 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5.1 x 3.1 mm

3 ct Round Cut Peridot, 4.9 mm From China

9.3 ct Round Maw-Sit-Sit, 12.7 mm From Myanmar

10.14 ct Round Quartz Cat's Eye, 12.8 mm From India

15.94 ct Green Aventurine, 13.5 x 18.2 mm Trillion Cut From Brazil

2.42 ct Blue Apatite, 5.2 x 4 mm Oval Cut From Madagascar

0.93 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 4 mm

Gemstone Information

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