Calibrated 7 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 7 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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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.

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Overall Rating -> 9

An it was good.

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Posted By Tim in April, 2024

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Overall Rating -> 10

Very large selection of items and we used the stones to have several pieces of jewelry made for us.

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Overall Rating -> 10

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Overall Rating -> 10

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Gemstones A-Z

Buy Round Shape 7 mm Gems

42.25 ct Violet Agate, 28.5 x 27.4 mm Trapezoid Cut From India

8.66 ct Carved Prehnite, 16.6 x 10.8 mm From South Africa

15.17 carat Swiss Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 18.3 x 13.8 mm

2.79 carat Sky Blue Topaz, Emerald Cut loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

2.4 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gems, 9 x 7 mm

5.21 ct Orange Moonstone, 10.2 mm Round Cut From India

0.7 ct Oval Chrysoberyl Cat's Eye, 6.2 x 4 mm From Sri Lanka

1.66 ct Blue Apatite, 5.1 x 4 mm Oval Cut From Madagascar

20.44 ct Oval Checkerboard Labradorite, 20 x 13.1 mm From Madagascar

6.79 ct Green Agate, 10.4 x 8.2 mm Oval Cut From India

1.33 ct Loose Oval Malachite, 8.5 x 5.6 mm From Congo

6.1 ct Multicolor Mystic Quartz, 10.2 x 10.1 mm Trillion Concave Cut From Brazil

2.03 ct Oval Strawberry Quartz, 9 x 7.1 mm From Russia

5.64 ct Carved Chalcedony, 13.5 x 13.4 mm From Brazil

0.58 ct Loose Pink Sapphire, 5.7 x 4 mm Oval Cut From Madagascar

0.5 carat Round Grossularite Garnet, loose Certified Grossularite Garnet from Tanzania, Natural Untreated Gem, 4.7 mm

1.86 ct Orange Sunstone, 6.1 x 4 mm Oval Cut From Russia

2.67 ct Blue Green Grandidierite, 10 x 7.9 mm Oval Cut From Madagascar

2.16 ct Oval Strawberry Quartz, 9 x 7.1 mm From Russia

2.36 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.1 mm

1.07 ct Oval Cut Golden Beryl, 8.2 x 6.3 mm From Madagascar

0.28 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.8 mm

0.87 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.2 x 5.2 mm

1.14 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gems, 5 mm

0.57 ct Purple Spinel, 4.9 mm Round Cut From Tanzania

59.96 ct Oval Jasper, 35.2 x 23.4 mm From India

4.75 ct Asscher Cut Smoky Quartz, 9.8 x 9.7 mm From Brazil

2.73 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.3 x 9.1 mm

2.55 carat Square Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gems, 5 x 4.9 mm

2.07 ct Blue Kyanite, 8.1 x 6.2 mm Oval Cut From Nepal

0.35 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

26.18 ct Trillion Checkerboard Moss Agate, 26.8 x 26.8 mm From India

Gemstone Information

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