Sterling Silver Volcanic Lava ring shows off its black cabochon, carefully cut into the traditional oval shape, delicately polished presents its porous surface with tiny pits and holes, unique and rare it generates a strong contrast to the smooth, shiny silver surround. The Volcanic Lava stone is deep set and surrounded by a generous lustrous flange that emphasizes the stone's color and structure. A challenging ring for women that are on the look out for the unusual and beautiful.