Natural crushed stone crystal ring $ 5.37 Material: Crystal Style: European and American Modeling: Irregular Style: Both men and women Inlaid material: not inlaid Purity: Pure natural Colours: Obsidian - G559-obsidian, white Crystal - G559-clear Crystal, topaz -G559-Citrine, Amethyst -G559-Amethyst Size: Adjustable opening