A 4.05-carat "Blue London" blue topaz, oval-shaped, approxim - Lot 13

Lot 13
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40 - 50 EUR
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A 4.05-carat "Blue London" blue topaz, oval-shaped, approxim - Lot 13
A 4.05-carat "Blue London" blue topaz, oval-shaped, approximately 11.9 x 8.3 mm. Beautiful, intense blue color and lovely luster. Origin: Africa. Treatment: irradiated and then heated to stabilize the color. Small inclusions visible under a 10x loupe.
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