14K Y Ladies vintage Oval Opal ring

Oval cabachon opal that measures 25×17.5 mm approx  , with hand engraved frame, size 6 w/ open back so it fits like a 7 +

14K Y Ladies vintage OVAL OPAL ring 25×17.5 mm approx , with hand engraved frame, size 6 w/ open back so it fits like a 7+: