18kt Gold, Boulder Opal, and Diamond Ring

Description:

18kt Gold, Boulder Opal, and Diamond Ring, centering a bezel-set opal tablet flanked by full-cut diamond accents, size 7.
Estimate $600-800

Boulder Opal RIng
this is better described as a little black opal within a fair amount of streaky black potch rahter than boulder opal
some slight abrasions to surface
there is matrix (boulder) on the back
the karat mark is English