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

41.98 ct Oval Rose Quartz, 24.5 x 20.9 mm From South Africa

6.43 ct Oval Larimar, 12.1 x 10 mm From the Dominican Republic

2.97 carat Trillion Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.2 x 10.1 mm

0.88 ct Loose Round Cut Lapis Lazuli, 6 mm From Afghanistan

1.07 ct Loose Yellow Sapphire, 6.5 x 5.5 mm Oval Cut From Tanzania

29.52 ct Oval Moss Agate, 28.9 x 13.3 mm From India

4.99 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gem, 12.7 x 12.1 mm

5.09 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6 x 4.1 mm

2.26 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8.2 x 6.2 mm

4.94 carat Pink Morganite, Pear loose Morganite from Afghanistan, Natural Untreated Gem, 14.2 x 8.9 mm

0.51 ct Loose Violet Sapphire, 5.9 x 4.2 mm Oval Cut From Tanzania

21.18 ct Oval Checkerboard Labradorite, 20.8 x 15 mm From Madagascar

204.9 ct Yellow Quartz, 52.3 x 34.9 mm Carved From Brazil

0.97 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7.2 x 7 mm

2.87 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 9.9 x 7.9 mm

1.49 ct Loose Square Cut Sapphire, 2.1 x 2.1 mm From Tanzania

2.47 ct Trillion Cut Kornerupine, 5.8 x 5.7 mm From Sri Lanka

5.73 ct Yellow Quartz, 13.6 mm Round Cut From Brazil

31.42 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 21.8 x 17.1 mm

7.15 ct Oval Strawberry Quartz, 12.5 x 10.5 mm From Russia

1.74 ct Loose Orange Sapphire, 4.8 x 2.6 mm Marquise Cut From Tanzania

22.14 ct White Amazonite, 35.6 mm Pencil Cut From Madagascar

1.88 ct Oval Cut Strawberry Quartz, 9.1 x 7 mm From Russia

0.54 ct Orange Sphalerite, 4.9 x 4.2 mm Oval Cut From Spain

6.17 carat Pear Quartz With Marcasite, loose Certified Quartz With Marcasite from Brazil, Natural Untreated Gem, 15.4 x 13.5 mm

4.67 ct Yellow Apatite, 12.3 x 9.9 mm Oval Cut From Madagascar

12.04 ct Yellow Quartz, 16.1 x 15.6 mm Carved From Brazil

1.79 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 22.4 x 3.2 mm

26.43 ct Oval Boulder Opal, 28.5 x 17.9 mm From Australia

0.51 ct Loose Marquise Pietersite, 10.1 x 4.7 mm From Namibia

2.48 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 6.1 mm

4.88 ct Green Jade, 12.3 x 10 mm Oval Cut From Myanmar

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