This free "Marquise Solitaire Ring 3D print model 10" 3D asset is currently listed under the authorship of "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
STL (Stereolithography, filesize: 35 MB), 3DM (Rhinoceros 3D, filesize: 19.1 MB)