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cobalt spinel 7 carats rare gemstone
This Natural Cobalt Spinel from Madagascar boasts a stunning violet blue hue with intense fire. Weighing 7.72 ct. and shaped into an oval, the gemstone measures 12.9 x 10.7 x 7.79 mm. With a clarity grade of VS and a hardness of 7.0, this gemstone has not undergone any heat treatment. Certified by GIC Colombo, this Cobalt Spinel is a rare and highly coveted addition to any collection.

Natural cobalt spinel 7.72 ct Violet Blue from Madagascar

1개의 후기 기준 5점 만점 중 5.0점
SKU: KHYASCBSPNL772

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