The hallmark stamped 925 sterling.
vintage filigree sterling silver ring featuring a round, domed cabochon stone.
The mottled, swirling pink-and-white color patterns are highly characteristic of natural sponge coral or angel skin coral. ---
It has an intricate, openwork filigree mounting along the shoulders and sides of the band, a hallmark technique of late Victorian, Edwardian, and Art Deco design.