Opal rings- choose either A or B

These are two opal rings, both made with sterling silver and both are solid Australian opals.

RING A- size 7, made with sterling silver. The stone is a 0.75ct solid semi black Australian opal from lightning ridge. 

RING B- size 8, made with sterling silver. The stone is a 2.05ct solid boulder opal measuring at 8 x 7.8mm from Winton.