This product is certified by MDNG. This certification includes all the technical & qualitative specifications as mentioned on the site along with an actual product photo. If you would like a third party certificate from a well-known international lab, we can also provide the same on request (GIA, IGI, HRD or Other). Each piece of jewelry from MDNG comes with a lifetime warranty ensuring the quality of the product. The timeline and cost for this certificate will be displayed on the checkout page.