Black Sardonyx banded agate gemstone vintage solid sterling silver ring size 6 *1 silver ring No missing or dark stones

No missing or dark stones

The red and blue appear to be glass along side with unakite

These artists were known for making exceptional Brutalist style jewelry

There is one center pear shaped stones accented by small facdted chaton rubies

Finish is in great condition

Black Sardonyx banded agate gemstone vintage solid sterling silver ring size 6 *1 silver ring No missing or dark stonesBlack Sardonyx banded agate gemstone vintage solid sterling silver ring. Beautiful banding in this oval cut bezel set sterling silver ring. Good used condition with little to no signs of normal vintage wear. Stamped 925 on the inside of the band. Acid tests positive for sterling silver. Ring measures size 6