Calibrated 9 mm Round Shape Loose Natural Gemstones from 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 Round shapes, facet cut and cabochon gems available now in 9 mm diameter 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 around 0.3 mm or slightly higher even. This small variance can usually be accommodated for 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 Round Shape 9mm Gems

0.78 carat Pear Shape Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.2 x 5 mm

1.69 ct Green Sphene, 6.8 x 6.2 mm Oval Cut From Sri Lanka

1.98 carat Cushion Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9.7 x 6.9 mm

0.62 ct Oval Checkerboard Peridot, 6.1 x 4.1 mm From China

1.05 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 11.2 x 3.6 mm

1.24 carat Marquise Cut Ruby, loose Certified Ruby from Myanmar, Natural Gem, 9.2 x 4.6 mm

2.5 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5 mm

6.66 ct Oval Cut Strawberry Quartz, 11 x 8.9 mm From Russia

1.06 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gem, 6 x 5.9 mm

0.83 carat Green Tourmaline, Baguette Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 8.5 x 4.4 mm

1.8 carat Marquise Cut Ruby, loose Certified Ruby from Myanmar, Natural Gem, 11.6 x 5.4 mm

19.78 ct Oval Cat's Eye Opal, 23.7 x 17.3 mm From Madagascar

1.47 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.1 x 5.1 mm

18.69 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 26 x 13.7 mm

8.83 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 20.8 x 10.9 mm

0.21 ct Blue Apatite, 3.6 mm Round Cut From Madagascar

0.66 carat Cushion Checkerboard Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 5.2 x 5.1 mm

0.83 carat Pear Shape Black Opal, loose Certified Black Opal from Ethiopia, Natural Gem, 9.8 x 6.6 mm

5.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 10 mm

4.72 ct Green Jade, 12.4 x 10.1 mm Oval Cut From Myanmar

2.02 ct Oval Sillimanite Cat's Eye, 7.6 x 5.3 mm From Madagascar

91.49 ct Odd Shaped Druzy Citrine, 42.7 x 25.7 mm From Uruguay

1.25 carat Pear Shape Chrysoberyl, loose Certified Chrysoberyl from Sri Lanka, Natural Untreated Gem, 8.6 x 5.8 mm

1.12 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.4 x 6 mm

15.7 ct Odd Shaped Druzy Azurite, 18.6 x 15.6 mm From the United States

23.22 ct Blue Sodalite, 34.1 x 17.2 mm Oval Cut From Australia

0.63 carat Emerald Cut Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 4.1 mm

0.43 ct Loose Pink Sapphire, 4.2 mm Round Cut From Tanzania

0.99 ct Blue Kyanite, 6.9 x 5 mm Oval Cut From Nepal

0.78 ct Oval Cut Peridot, 6.9 x 5.1 mm From China

0.46 ct Loose Pink Sapphire, 5.1 x 4.2 mm Oval Cut From Madagascar

6.02 ct Pink Morganite, 12.8 x 10.7 mm Oval Cut From Afghanistan

Gemstone Information

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Gemstone EDUCATION

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