This specific 3D model, "Women Pendant 3dm STL FBX OBJ Render Details 3D print model 3", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 6.75 MB), OBJ (OBJ, filesize: 16.2 MB), 3DM (Rhinoceros 3D, filesize: 45.4 MB), FBX (Autodesk FBX, filesize: 2.37 MB)