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

4.31 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 12 x 6.1 mm

0.88 ct Yellow Beryl, 6 x 6 mm Cushion Cut From Brazil

5.08 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.9 x 10.1 mm

2.89 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 9.6 x 7.9 mm

1.58 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 7.9 x 5.8 mm

0.37 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 4.6 x 3.6 mm

0.58 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 7.9 x 3.9 mm

10.9 ct Purple Kunzite, 15.4 x 11.1 mm Cushion Cut From Afghanistan

2.53 ct Loose Yellow Sapphire, 2.6 x 2.6 mm Princess Cut From Tanzania

15.06 ct Oval Larimar, 28.5 x 16.6 mm From the Dominican Republic

0.92 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 5.3 x 5.3 mm

1.59 ct Purple Spinel, 6.8 x 6.7 mm Cushion Cut From Tanzania

54.44 ct Yellow Quartz, 24.9 x 20.5 mm Oval Portuguese Cut From Brazil

10.21 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 15 x 14.9 mm

5.45 carat Green Agate, Pear loose Agate from India, Natural Gem, 14.9 x 10.6 mm

1.37 carat Orange Hessonite Garnet, Baguette Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 4.7 mm

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

1.52 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 21.5 x 3 mm

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

1.14 ct Pink Morganite, 7.1 mm Round Cut From Afghanistan

3.63 ct Red Andesine Labradorite, 11 x 8.9 mm Oval Cut From Congo

0.47 ct Loose Orange Sapphire, 4.6 x 4.6 mm Heart Cut From Tanzania

7.32 ct Oval Quartz Cat's Eye, 12.8 x 10.2 mm From Sri Lanka

1.73 carat White Opal, Pear Shape loose Opal from Ethiopia, Natural Untreated Gem, 11 x 8.8 mm

3.66 ct Black Star Sapphire, 10 x 7.6 mm Oval Cut From Thailand

7.02 carat Bi-color Tourmaline, Carved Leaf loose Tourmaline from Mozambique, Natural Untreated Gem, 21.7 x 10.4 mm

34.05 carat Pear Obsidian, loose Certified Obsidian from Mexico, Natural Untreated Gem, 33.7 x 24 mm

1.3 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 4.9 x 3.7 mm

0.86 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7.2 x 5 mm

2.52 ct Oval Sillimanite Cat's Eye, 7.2 x 5.1 mm From Madagascar

52.14 ct Blue Sodalite, 44.4 x 26.8 mm Oval Cut From Australia

0.48 carat Green Sapphire, Cushion loose Sapphire from Tanzania, Natural Gem, 4.2 x 4.2 mm

Gemstone Information

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