A Wonderful Antique Victorian Operculum Shell Pearl Ring, Vintage Estate Silver Setting, 1800's. This delightful antique ring holds an enchanting operculum shell pearl stone at its center, a favorite stone of Victorian Era jewelers. The stone is beautifully set in a Victorian silver setting with nice openwork detailing and floral motifs. Overall the ring measures about 11/16 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is in lovely vintage condition.