Calibrated 10 x 10 mm Square Shape Loose Natural Gemstones from Ge...

Some people by gems by color or prize, 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 Square shapes, facet cut and cabochon gems available now in 10 mm x 10 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 meant nor 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 Square Shape 10x10 mm Gems

1.37 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 7.1 x 6 mm

1.91 carat Swiss Blue Topaz, Fancy-Cut loose Topaz from Brazil, Natural Gems, 7.2 x 5.2 mm

1.88 carat Marquise Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 10 x 5.1 mm

3.66 ct Square Malachite, 8.9 x 8.9 mm From Congo

1.96 carat Red Spessartite Garnet, Round loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 4.3 mm

17.37 ct Oval Agate, 19.4 x 15.5 mm From Indonesia

0.64 carat Blue Sapphire, Diamond-Cut loose Sapphire from Madagascar, Natural Gem, 5.2 mm

0.54 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.9 x 3.9 mm

0.2 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.4 mm

1.11 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 12 x 7.1 mm

4.27 ct Princess Cut Rose Quartz, 9.7 x 9.5 mm From South Africa

4.07 ct Green Agate, 20.1 x 9.8 mm Carved From India

0.93 ct Square Buff Top Peridot, 5.7 x 5.7 mm From China

31.09 ct Baguette Maw-Sit-Sit, 19.6 x 13.8 mm From Myanmar

24.43 ct Oval Opal in Matrix, 26.2 x 21.4 mm From Honduras

1.22 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7.9 x 7.8 mm

7.74 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 14 x 8.2 mm

43.55 ct Oval Jasper, 37.6 x 24.1 mm From Indonesia

1.96 carat Green Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gems, 4.4 x 4.3 mm

1.58 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.1 x 5.2 mm

12.09 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 18.1 x 13.1 mm

0.74 carat Orange Sunstone, Oval loose from India, Natural Untreated Gem, 7.9 x 6.2 mm

0.43 carat Purple Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4.8 mm

2.43 ct Cushion Cut Peridot, 9.1 x 6.6 mm From Myanmar

8.89 ct Carved Prehnite, 18.6 x 12.8 mm From South Sea

2.05 ct Yellow Beryl, 8.1 x 6 mm Oval Cut From Madagascar

8.75 ct Oval Actinolite Cat's Eye, 13.9 x 12.4 mm From the United States

3.54 carat Pear Shape Emerald, loose Certified Emerald from Zambia, Natural Gem, 13.5 x 9.1 mm

1.58 ct Multicolor Mystic Quartz, 8 mm Round Concave Cut From Brazil

2.41 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5.1 mm

0.51 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 5.9 x 4 mm

0.83 ct Yellow Beryl, 7.3 x 6.9 mm Trillion Cut From Madagascar

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