Lab-Grown Diamonds vs. Natural Diamonds: The Complete Guide If you’re buying a diamond in 2025, one question is almost unavoidable: Should you choose a lab-grown diamond or a natural diamond? This isn’t just about looks; it’s about understanding where your diamond comes from, what makes it unique, and how it fits your priorities for beauty, budget, and ethics. Both types are real diamonds, with the same sparkle, hardness, and brilliance. Yet, their stories and sometimes their prices are very different.