Calibrated 16 x 12 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 16 x 12 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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Gemstone Information

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Overall Rating -> 9

I was in the market for birthstones for a lil gift project im doing. I'm no expert in gems or what not but the quality as far as i can tell seems to be spot on.

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Overall Rating -> 10

Easy to use website, made it very easy to buy. Will shop here again.

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Overall Rating -> 10

The website is easy to search, the variety of gems is excellent and the educational information is interesting and helpful! Love browsing and shopping the GemSelect website!

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Overall Rating -> 10

Great selection and excellent website.

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Overall Rating -> 10

I have used GemSelect for several years and plan to shop more in the further. This is a good source of information on gemstones. I love looking at and learning about them. Lot more than I ever knew existed.

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Overall Rating -> 10

I really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

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Overall Rating -> 10

first time here sooooooooooo we will seeeee!!!!! so far so good!!!!!!

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Overall Rating -> 10

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Overall Rating -> 10

The website is very easy to use. The search function, filter and sort functions are very helpful.

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Overall Rating -> 10

I have received emails for about a year and today is the condition that had me decide on the purchase

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Overall Rating -> 10

Perfect size I was looking for and great price

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Overall Rating -> 10

I enjoyed browsing though different varieties of rubies. I felt that the experience was simple and easy to navigate!

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Overall Rating -> 9

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Gemstones A-Z

Buy Pear Shape 16x12 mm Gems

6.77 ct Oval Star Moonstone, 13.7 x 10.8 mm From India

22.77 carat Emerald Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 19.9 x 15 mm

3.56 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 5.6 mm

4.46 carat White Zircon, Diamond-Cut loose Zircon from Myanmar, Natural Gems, 7.4 mm

4.38 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 12 x 10.1 mm

21.39 ct Cushion Boulder Opal, 16.4 x 16.4 mm From Australia

7.01 ct Loose Multicolor Mystic Quartz, 10 mm Round Concave Cut From Brazil

2 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 20 x 3.5 mm

1.74 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.7 x 3 mm

17.22 ct Oval Jasper, 22.1 x 16.1 mm From Indonesia

0.49 carat Yellow Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gem, 4.9 x 4 mm

0.64 ct Loose Yellow Sapphire, 5.8 x 4.7 mm Oval Cut From Tanzania

46.22 ct Oval Hematite, 24.4 x 18.4 mm From Brazil

3.62 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.9 mm

0.89 ct Oval Cut Peridot, 7.1 x 5.1 mm From China

1.6 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 8.1 x 6.1 mm

3.73 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gem, 9.1 x 6.9 mm

21.4 ct Blue Green Turquoise, 23.4 x 16.9 mm Oval Cut From the United States

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

3.03 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 10 mm

2.25 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7 x 6.9 mm

3.23 ct Brown Cat's Eye Apatite, 9.2 x 7.2 mm Oval Cut From Kenya

0.5 ct Loose Orange Sapphire, 6 x 4.8 mm Oval Cut From Tanzania

17.05 ct Fancy Dendritic Agate, 23.2 x 17.1 mm From India

3.28 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 12.2 x 10.1 mm

2.66 ct Loose Orange Moonstone, 9.2 x 7.2 mm Cushion Cut From India

14.8 carat Swiss Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 21 x 11.7 mm

22.34 carat Pear Rhodonite, loose Certified Rhodonite from Australia, Natural Untreated Gem, 25.4 x 18 mm

6.92 carat Sky Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 17.7 x 8.8 mm

3.46 ct Green Agate, 9.7 x 8.8 mm Oval Cut From India

1.43 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.5 x 6.1 mm

0.61 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4.1 mm

Gemstone Information

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