This specific 3D model, "Solitaire Wedding Engagement Women Band Ring 3D print model shop", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 1.59 MB), OBJ (OBJ, filesize: 3.1 MB), 3DM (Rhinoceros 3D, filesize: 2.89 MB), FBX (Autodesk FBX, filesize: 588 KB)