Black obsidian is a striking volcanic glass with deep metaphysical significance, often used for protection and grounding. The price of black obsidian varies depending on factors such as size, quality, and cut. Generally, it is an affordable gemstone, with prices ranging from a few dollars for smaller pieces to higher amounts for larger, polished stones or unique cuts. Whether you're seeking a raw piece for spiritual use or a polished gem for jewelry, understanding the pricing helps you make an informed purchase decision.