Check out Light Gold Diamond Men Ring 2MR096 3D model on CGTrader for $20. High-quality mesh by Bulgeri.
STL (Stereolithography, filesize: 124 KB), OBJ (OBJ, filesize: 89.8 KB), FBX (Autodesk FBX, filesize: 27.4 KB), 3DM (Rhinoceros 3D, filesize: 2.29 MB)