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Marquise Cut - Calibrated
Perfect Marquise Cut Black Onyx Stone - Stunning Loose Black Onyx Gems in Marquise Cut at AfricaGems
Calibrated Onyx Gemstones in Marquise Cut for Sale

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Onyx Marquise Cut Gemstones

The carat weights of the Onyx Marquise Cut calibrated gemstones listed here are only approximate weights. The actual carat weight of the Marquise cut Onyx you receive can be more or less than the listed carat weight. Standard calibrated Marquise shaped Onyx Gemstones are based on dimensions, not carat weight.