This specific 3D model, "Women Light Weight Ring STL OBJ FBX JCD Details 3D print model 21", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 44.7 MB), OBJ (OBJ, filesize: 101 MB), FBX (Autodesk FBX, filesize: 13.9 MB), JCAD (JewelCAD, filesize: 5.57 MB), RIB (Renderman, filesize: 933 KB)