This free "Light Weight Wedding Engagement Women Ring STL JCD Details 3D print model 12" 3D asset is currently listed under the authorship of "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 54.5 MB), JCAD (JewelCAD, filesize: 571 KB), RIB (Renderman, filesize: 973 KB)