Calibrated 8 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 8 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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Gemstone Information

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making my own jewelry for my birth stone

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I have actually done business with them before and was quite satisfied with them then.My Mother collected turtle items and when I saw the Mother of Pearl turtle...I just thought of her and decided to buy it. It's even tinier than I thought, but so adorable!The gemstones I bought are for jewelry for my daughter's birthday.

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Gemstones A-Z

Buy Round Shape 8 mm Gems

1.58 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12.1 x 6.2 mm

5.31 ct Yellow Agate, 11.8 x 10.6 mm Oval Cut From India

2.28 ct Round Cut Strawberry Quartz, 8.9 mm From Russia

1.82 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 9.1 x 7 mm

1.77 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9 x 8.9 mm

0.56 ct Loose Pink Sapphire, 5 x 3.1 mm Oval Cut From Tanzania

42.08 ct White Quartz, 30.2 x 25.1 mm Carved From Brazil

2.92 ct Blue Kyanite, 8.2 x 6.1 mm Oval Cut From Nepal

1.75 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.1 x 5.1 mm

0.37 ct Loose Orange Sapphire, 5 x 2.7 mm Marquise Cut From Tanzania

1.63 ct Round Onyx, 6.9 mm From Sri Lanka

0.73 ct Loose Orange Sapphire, 6.1 x 4.2 mm Oval Cut From Tanzania

1.56 ct Yellow Beryl, 9.2 x 7.1 mm Oval Cut From Madagascar

1.09 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia

1.51 ct Loose Pink Tourmaline, 6.9 mm Round Cabochon From Mozambique

11.95 carat Black Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.8 x 11.1 mm

0.9 ct Cushion Cut Color-Change Diaspore, 11.1 x 4.1 mm From Turkey

4.53 ct Loose Pear Dendritic Agate, 13 x 9.1 mm From India

3.47 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11 x 9.1 mm

29.55 ct Pencil Cut Sunstone, 34 x 10.7 mm From India

1.57 carat Orange Zircon, Pear Shape loose Zircon from Tanzania, Natural Untreated Gem, 7.7 x 6.3 mm

5.6 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 10.1 x 8.2 mm

1.36 ct Loose Orange Hessonite Garnet, 7.3 x 5.1 mm Octagon Cut From Madagascar

2.3 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 6.1 x 4.1 mm

1.12 ct Loose Trillion Cut Mystic Quartz, 7 x 6.9 mm From Brazil

0.91 ct Loose Pink Sapphire, 5.1 x 4.1 mm Oval Cut From Madagascar

0.47 carat Green Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.2 x 4.2 mm

26.01 ct Fancy Jasper, 33.1 x 19 mm From Indonesia

36.09 ct Oval Tiger's Eye, 28 x 20.5 mm From Thailand

3.51 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 13.9 x 8.2 mm

2.25 ct White Moonstone, 9.9 x 7.7 mm Oval Cut From India

14.68 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 26.3 x 17 mm

Gemstone Information

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