Calibrated 6 x 4 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 6 x 4 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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The website is well organized and works fast forward and back. Plenty of filters. Each gem is described in detail and you receive the one pictured. Gem material info and sources available. I would like to see more specifics on sources besides country- at least region or state and in the US with Turquiose which mine. Thanks!

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Very excited and impressed with all your products. Keep up the good work....more different stones to choose from. I like Cabachons.

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Gemstones A-Z

Buy Oval Shape 6x4 mm Gems

1.45 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 3.7 x 3.7 mm

14.85 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 22 x 16.3 mm

0.99 ct Oval Sillimanite Cat's Eye, 6 x 5.7 mm From Madagascar

6.97 ct Trillion Pietersite, 16.4 x 14.8 mm From Namibia

0.68 ct Loose Purple Sapphire, 4.8 x 3.9 mm Oval Cut From Madagascar

19.94 ct Octagon / Emerald Cut Hematite, 20.4 x 14.1 mm From Brazil

8.05 ct Oval Pietersite, 18.7 x 10.6 mm From Namibia

20.13 ct Oval Nuummite, 21.1 x 14.9 mm From India

1.96 ct Loose Orange Moonstone, 9.3 x 7.3 mm Cushion Cut From India

0.55 carat London Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 6.1 x 4.1 mm

1.07 ct Oval Sillimanite Cat's Eye, 6.6 x 5.2 mm From Madagascar

1.67 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.2 x 5.1 mm

13.19 carat Round Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 16.1 mm

9.41 ct Green Jadeite, 11.7 x 10 mm Oval Cut From Myanmar

2.2 ct Oval Chocolate Opal, 9.9 x 8 mm From Ethiopia

0.69 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gems, 5.9 x 4.1 mm

1.9 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.3 x 6.9 mm

31.05 ct Oval Howlite, 29.7 x 19.7 mm From the United States

0.88 carat Green Sapphire, Pear Shape loose Sapphire from Madagascar, Natural Gem, 7.2 x 5.1 mm

11.62 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gems, 17.9 x 12.1 mm

5.81 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 10.1 x 8.2 mm

6.72 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 12.8 x 10.8 mm

6.14 ct Fancy Fire Agate, 13.8 x 12.8 mm From Mexico

1.99 carat Emerald Cut Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5.6 x 3.8 mm

29.78 ct Brown Moonstone, 22.3 x 16.4 mm Oval Cut From India

1.3 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Untreated Gem, 9 x 7.1 mm

1.64 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 9.3 x 5.1 mm

1.54 ct Yellow Beryl, 9.1 x 7 mm Oval Cut From Madagascar

9.66 ct Oval Star Moonstone, 13.2 x 11.1 mm From India

43.57 ct Oval Jasper, 32.5 x 24.6 mm From Indonesia

4.69 carat Blue Tanzanite, Oval loose Tanzanite from Tanzania, Natural Gems, 9 x 7 mm

1.47 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.7 x 5 mm

Gemstone Information

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