Calibrated 8 x 6 mm Oval Shape Natural Loose Gemstones: 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 oval shapes, facet cut and cabochon gems available now in 8 x 6 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 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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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 Oval Shape 8x6 mm Gems

0.18 ct Square Cut Kornerupine, 3.2 x 3.2 mm From Sri Lanka

40.18 ct Fancy Rhodochrosite, 28.7 x 17.7 mm From South Africa

3.99 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 10.1 mm

21.03 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 19.9 x 15.2 mm

0.53 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.1 x 4.3 mm

17.18 ct Yellow Quartz, 18.4 x 17.8 mm Carved From Brazil

1.71 carat London Blue Topaz, Round loose Topaz from Brazil, Natural Gem, 7.2 mm

1.62 ct Oval Cut Peridot, 8.9 x 6.7 mm From China

3.17 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 14 x 7.1 mm

1.63 carat Yellow Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gems, 8.1 x 6 mm

10.78 ct Oval Rainbow Moonstone, 22.8 x 12.8 mm From the United States

6.06 ct Multicolor Mystic Quartz, 10.1 x 10.1 mm Trillion Concave Cut From Brazil

13.27 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 23.3 x 13.3 mm

0.75 ct Loose Yellow Sapphire, 5.1 mm Round Cut From Tanzania

2.31 ct Oval Cut Golden Beryl, 10.2 x 8 mm From Madagascar

0.92 ct Oval Cut Peridot, 7 x 4.9 mm From China

0.53 ct Loose Orange Sapphire, 5.9 x 4.1 mm Oval Cut From Tanzania

0.07 ct Black Diamond, 2.5 mm Diamond Cut From India

1.21 ct Loose Yellow Sapphire, 4.9 mm Round Cut From Tanzania

0.96 carat Blue Sapphire, Marquise-Cut loose Sapphire from Madagascar, Natural Gem, 9.1 x 4.8 mm

1.27 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 17.2 x 3.2 mm

19.25 carat Oval Tiger's Eye, loose Certified Tiger's Eye from Thailand, Natural Untreated Gem, 21.6 x 14.6 mm

1.03 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 5.9 mm

24.62 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 26.1 x 22.7 mm

2.24 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.4 x 7.2 mm

0.21 ct Round Cut Kornerupine, 3.6 mm From Sri Lanka

24.85 ct Carved Chalcedony, 11.7 x 11.6 mm From Brazil

0.74 ct Loose Pink Sapphire, 6.5 x 6.4 mm Trillion Cut From Tanzania

9.6 ct Green Jadeite, 12.2 x 9.9 mm Oval Cut From Myanmar

13 ct Oval Jasper, 19.9 x 15.1 mm From Indonesia

30.12 ct Cushion Jasper, 25.6 x 24 mm From Indonesia

2.33 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7.9 mm

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