Buy Oval Shape 18x13 mm Gems(191) |
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Single |
Pairs |
Lots |
Faceted |
Cabochons |

Oval Green Prehnite


Oval Turquoise Grandidierite

Oval Golden Citrine

Oval Golden Citrine

Dark Greenish Blue Turquoise

Oval Golden Citrine

Oval Golden Citrine

Oval Multicolor Fossil Coral

Oval Multicolor Pietersite

Oval Black Spinel

Oval Multicolor Labradorite

Oval Multicolor Pietersite


Oval Golden Citrine

Oval Pink Rose Quartz

Oval Multicolor Fossil Coral

Oval Pink Rose Quartz

Oval Golden Citrine

Oval Multicolor Jasper

Oval Golden Citrine

Oval Multicolor Rhodochrosite

Oval Golden Citrine
Oval Shape 18x13 mm Gems
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 18 x13 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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