Channel your inner warrior when you wear this obsidian arrowhead adjustable ring from Charles Albert. A strong woman definitely needs a strong statement piece and this tough ring is it. Wear with darker colors for a fierce fiery look. Metal: Sterling silver. Stone: Obsidian. Band width: 1/4 inch. Stone setting dimensions: approximately 1 1/2 to 2 inches x 3/4 inch. Size: Adjustable.