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

Great experience! First time buyer

Posted By Todi89 in February, 2024

Source: Bizrate

Overall Rating -> 9

Everything was good but since I am still new I was surprised at how small the stones where.

Posted By Js in May, 2023

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Overall Rating -> 10

I have used Gem Select many times over the past 10 years and have always been happy with the product & services

Posted By Ordain in August, 2023

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Overall Rating -> 10

I particularly like information about product provided with purchase.

Posted By Dick in May, 2023

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Overall Rating -> 10

I have used this site for sseveral years now. All has been great. I started collection gems from GemSelect for years and wanted to collect at least one of most stones. I loved Safers because the mols is a 9 + and they come in every color. This is the best place to buy gems for the assortment and price. Great place to learn about gems too. Sometimes the shipping is a little on the long side. But I would give them a 9.9 out of 10 !!

Posted By Steve in July, 2023

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Overall Rating -> 10

I love the clear description of the certification options. It's very rare to see a gem site that offers a deep explanation of each institution that would certify the stone(s).

Posted By Oakcityceo in May, 2023

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Overall Rating -> 10

Easy to use,I have spent many hours looking at the site

Posted By Skip in November, 2023

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Overall Rating -> 9

Good interaction with site

Posted By Brick in September, 2023

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Overall Rating -> 10

I was looking for a source for affordable genuine gemstones for my grandson who is currently very interested in rocks and gems. I was quite surprised and pleased to find GemSelect and finding the right stones at the right price couldn't have been simpler.

Posted By Papa in December, 2023

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Overall Rating -> 10

Love the variety of stones, sizes and the prices

Posted By Dorita in March, 2024

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Overall Rating -> 9

Overall good, shipping prices just seem a little on the high side.

Posted By Steve in August, 2023

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Overall Rating -> 10

Trustworthy site. I've had several good experiences with company. Products always have met my expectations. Thank you.

Posted By Ray in February, 2024

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Overall Rating -> 10

Awesome

Posted By Mic in May, 2023

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Overall Rating -> 8

purchased birthstones to be mounted into stud earrings as a gift for a friend's gift

Posted By MI photo in May, 2023

Source: Bizrate

Overall Rating -> 7

I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.

Posted By Bobk in February, 2024

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Gemstones A-Z

Buy Pear Shape 20x15 mm Gems

0.53 ct Loose Yellow Sapphire, 5.7 x 4 mm Oval Cut From Tanzania

16.99 ct Carved Ruby-Zoisite, 17.1 x 16.9 mm From Tanzania

3.7 ct Round Cut Strawberry Quartz, 10.1 mm From Russia

38.02 ct Fancy Jasper, 29.4 x 23.9 mm From Indonesia

1.29 carat Pear Shape Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 11.8 x 7 mm

26.7 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 29 x 26.2 mm

0.94 ct Yellow Beryl, 8 x 6 mm Oval Cut From Madagascar

4.56 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5.1 mm

3.05 ct Oval Prehnite, 9 x 8.2 mm From South Africa

7.13 ct Pink Kunzite, 11.9 x 8.6 mm Octagon Cut From Afghanistan

5.32 ct Fancy Fire Agate, 13.4 x 9.4 mm From Mexico

35.44 ct Oval Hematite, 24.3 x 18.1 mm From Brazil

85.14 carat Pear Moss Agate, loose Certified Moss Agate from India, Natural Untreated Gem, 53.6 x 38.1 mm

4.07 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from India, Natural Untreated Gems, 7 x 6.9 mm

17.43 ct Oval Coral, 29.7 x 19.8 mm From Indonesia

42.73 ct Oval Boulder Opal, 27.5 x 20.8 mm From Australia

2.21 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 9.7 x 5 mm

4.01 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 9.8 mm

0.62 ct Orange Sphalerite, 5.8 x 4.1 mm Oval Cut From Spain

0.78 ct Orange Sphalerite, 5.7 x 4.9 mm Oval Cut From Spain

4.43 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 11 x 9.1 mm

1.87 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 11.9 x 5.7 mm

6.12 ct Round Cut Strawberry Quartz, 9 mm From Russia

11.54 ct Oval Rainbow Moonstone, 19.3 x 11.7 mm From the United States

1.95 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gems, 6.7 x 4.9 mm

3.07 carat Purple Kunzite, Pear Shape loose Kunzite from Afghanistan, Natural Untreated Gem, 9.9 x 7.5 mm

3.4 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 8.8 x 7 mm

2.79 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 9.9 mm

1.04 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 4.9 mm

2.85 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10 x 9.9 mm

4.63 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.1 mm

1.29 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 7 x 5.1 mm

Gemstone Information

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