Get this realistic Tanzanite ring model and make your renders pop! it has realistic procedural textures that can be tweaked with your liking, but that wotn be necessary as it is already tetured realistically :) available in .blend, obj and mtl files exported with the textures!
Email at prxcisevfx@gmail.com if you have any probles with the model
Native Formats: BLEND (Blender, filesize: 138 MB)
Exchange Formats: OBJ (OBJ, filesize: 149 MB), FBX (Autodesk FBX, filesize: 49.6 MB), STL (Stereolithography, filesize: 153 MB)