Sterling Silver, this setting is very heavy and well made. 
The large, domed oval cabochon is a beautiful natural blue-gold Moonstone which reflects a rainbow of colors.
 measures approx 1-1/4" by 5/8" across.
Sized 5.5, it has a nice feature, the heavy band has an opening at base of setting, allow for some flexability in sizing, 
and easier to slip on and off.
Hallmarked '925'.

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