Of elegant openwork double halo design, 
this ring is crafted in 925 Sterling Silver 
 
Featuring a Natural Oval Shaped Sapphire 
of 1.85ct approx (9mm x 7mm)
of Australian origin 
 
4-claw set
accented with a double surround of Swiss Cubic Zirconias (CZ's)
 
Total item's weight: 3.6gr. 
Ring's size: P 1/2 (re-sizable)
for an Official Ring Conversion Chart refer to:
https://www.stpetersburggallery.com/single-post/ring-conversion-chart
 
Comes in gorgeous vintage box, 
Accompanied by valuation certificate