Calibrated Cushion Shape Gemstones 10x8 mm size from GemSelect

Some people by gems by color or prize, but for many, it is best to buy gems by size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated cushion shapes, facet cut and cabochon gems available now in 10 mm x 8 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 Cushion Shape 10x8 mm Gems

1.56 ct Violet Spinel, 6.8 x 6.4 mm Cushion Cut From Tanzania

3.48 carat Swiss Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 8.2 x 6.1 mm

1.75 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.3 x 5.2 mm

0.69 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gem, 6.8 x 4.8 mm

4.88 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.1 mm

25.43 ct Marquise Hematite, 24.5 x 12.8 mm From Brazil

3.21 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 8 x 6.1 mm

2.84 ct Cushion Checkerboard Peridot, 9.8 x 7.6 mm From China

7.47 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm

2.58 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.2 x 5.1 mm

12.64 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 13.4 x 9.1 mm

1.33 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 13.3 x 3.7 mm

3.46 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 12.2 x 8.8 mm

22.13 ct Baguette Hematite, 19.8 x 13.1 mm From Brazil

7.83 ct Oval Malachite, 13.8 x 10.1 mm From Congo

37.7 ct Fancy Jasper, 30.4 x 22.3 mm From Indonesia

0.66 ct Purple Spinel, 5 mm Round Cut From Tanzania

4.07 carat Carved Leaf Ruby, loose Certified Ruby from Madagascar, Natural Gem, 16 x 9.9 mm

25.12 carat Pear Obsidian, loose Certified Obsidian from the United States, Natural Untreated Gem, 31.8 x 19.1 mm

1.44 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6.9 x 5.1 mm

0.83 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 7 x 5.4 mm

0.21 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.6 mm

0.7 ct Green Sphene, 6.3 x 4.6 mm Oval Cut From Sri Lanka

12.59 carat Cushion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 15.1 x 9 mm

4.27 ct Oval Cut Strawberry Quartz, 12.2 x 8.9 mm From Brazil

5.63 carat Yellow Citrine, Briolette loose Citrine from Brazil, Natural Untreated Gem, 13.2 mm

0.95 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 7.3 x 5.3 mm

2.39 ct Oval Strawberry Quartz, 9.1 x 7.1 mm From Russia

3.74 ct Square Cut Rainbow Moonstone, 3.2 x 3.2 mm From Sri Lanka

24.8 ct Carved Rose Tiger's Eye, 15.8 x 15.4 mm From Thailand

0.84 carat Violet Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 6.1 x 5 mm

13.08 ct Drilled Sphere Rutile Quartz, 11.6 mm From India

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