Calibrated 12 x 10 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 12 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 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 searching format was easy to find what i needed. It helped to be able to sort Lowest price to Highest because i wasnt looking to spend too much but i did want an actual stone and not imitation.

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Very large selection of items and we used the stones to have several pieces of jewelry made for us.

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first time here sooooooooooo we will seeeee!!!!! so far so good!!!!!!

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Overall Rating -> 10

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

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Gemstones A-Z

Buy Oval Shape 12x10 mm Gems

1.23 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 8.9 x 6.8 mm

5.57 ct Carved Prehnite, 13.3 x 9.5 mm From South Africa

3.05 carat Pear Concave Cut Mystic Quartz, loose Certified Mystic Quartz from Brazil, Natural Gem, 12.1 x 8.1 mm

2.66 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gems, 8.1 x 6 mm

3.26 ct Square Cut Rainbow Moonstone, 3 x 3 mm From India

0.74 ct Loose Trillion Cut Mystic Quartz, 6.1 x 6 mm From Brazil

2.3 ct Yellow Beryl, 8.1 x 6.2 mm Oval Cut From Madagascar

12.34 ct Round Cut Color-Change Fluorite, 14.9 mm From Brazil

2.1 carat Sky Blue Topaz, Princess-Cut loose Topaz from Brazil, Natural Gem, 7.1 x 7.1 mm

0.76 ct Oval Cut Peridot, 7.1 x 5.1 mm From China

16.48 ct Yellow Quartz, 14.1 x 13.8 mm Carved From Brazil

2.69 ct Red Andesine Labradorite, 10.3 x 8.3 mm Oval Cut From Congo

2.05 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.1 x 9 mm

2.37 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 9 x 7.4 mm

1.45 ct Oval Cut Black Opal, 10.7 x 7.7 mm From Ethiopia

2.13 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 9.2 x 9.1 mm

34.07 ct Oval Charoite, 30.2 x 22.2 mm From Russia

38.64 ct Drilled Sphere Seraphinite, 14.1 mm From Russia

0.74 carat Teal Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 5.5 x 4.4 mm

23.81 ct Oval Jasper, 24.1 x 18.4 mm From Mexico

5.72 ct Oval Strawberry Quartz, 11 x 9.2 mm From Brazil

0.18 ct Square Cut Iolite, 2.7 x 2.6 mm From Madagascar

37.17 carat Pear Shape Lapis Lazuli, loose Certified Lapis Lazuli from Afghanistan, Natural Untreated Gem, 28.7 x 21.5 mm

1.13 carat Green Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 8 x 5.9 mm

18.41 ct White Jadeite, 18.4 x 13 mm Oval Cut From Myanmar

55.06 carat Yellow Quartz, Pear Checkerboard loose Quartz from Brazil, Natural Gem, 35.9 x 22.2 mm

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

1.64 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gem, 10.7 x 8.1 mm

25.5 ct Oval Hematite, 19.2 x 15.7 mm From Brazil

0.43 carat Green Sapphire, Emerald-Cut loose Sapphire from Tanzania, Natural Gem, 5.1 x 3.2 mm

0.07 ct Black Diamond, 2.5 mm Diamond Cut From India

1.22 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 5.1 mm

Gemstone Information

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