Black sapphire with a star

Black sapphire with a star 5.60 ct

280$

Black sapphire with a star in jewelry looks stylish and unusual. There are not many known natural black gemstones with a star effect, including diopside and black garnets. Sapphires are very hard, 9 on the Mohs scale. This black sapphire is 5.60 ct. The stone was quarried in Thailand. Unheated.

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