A TREATED SAPPHIRE RING
A TREATED SAPPHIRE RING Set with a rectangular-cut diffusion treated sapphire, weighing approximately 17.44 carats, mounted in silver With report CS 47520-D dated 10 January 2012 from the American Gemological Laboratories stating that the sapphire has been diffusion treated . The color of the sapphire has been induced and/or modified by adding specific chemical elements during the heating process
A TREATED SAPPHIRE RING
A TREATED SAPPHIRE RING Set with a rectangular-cut diffusion treated sapphire, weighing approximately 17.44 carats, mounted in silver With report CS 47520-D dated 10 January 2012 from the American Gemological Laboratories stating that the sapphire has been diffusion treated . The color of the sapphire has been induced and/or modified by adding specific chemical elements during the heating process
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
