Round Star Sapphire Cabochon

Round Star Sapphire Cabochon 5.28 ct

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This lot of black star sapphire is interesting because it is cut into a round cabochon shape, which is rare for corundums. If you move such a stone under a point source of light (the sun, a flashlight), a clear, bright golden 6-pointed star will slide on the surface of the cabochon. In this sapphire, the star is centered. The stone weighs 5.28 carats, it is well polished, there are no obvious cracks or chips in it. The origin of the star sapphire is Thailand.

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