Lapis lazuli is a beautiful and highly sought-after stone that has been valued for centuries. If you're looking to buy lapis lazuli, it is important to make sure that you are getting a genuine, high-quality stone. One way to do this is to buy lapis lazuli with a certificate. A certificate of authenticity verifies that the stone has been tested and found to be genuine. It also provides information about the stone, including its origin, carat weight and clarity. When buying lapis lazuli with a certificate, you can be sure that you are getting a genuine stone that is worth the money you are paying for it.