This specific 3D model, "Women Pendant Earring Sets 3dm STL OBJ FBX Renders Details 3D print model 8", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
STL (Stereolithography, filesize: 106 MB), OBJ (OBJ, filesize: 330 MB), FBX (Autodesk FBX, filesize: 39.3 MB), 3DM (Rhinoceros 3D, filesize: 217 MB)