A 12.05-carat "sky blue" topaz, square-cut, approximately 12 - Lot 7

Lot 7
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70 - 90 EUR
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A 12.05-carat "sky blue" topaz, square-cut, approximately 12 - Lot 7
A 12.05-carat "sky blue" topaz, square-cut, approximately 12.9 x 12.7 mm. Beautiful blue color. Origin: Africa. Treatment: irradiated and then heated to stabilize the color. Clear to the naked eye.
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