Check out Light Gold Diamond Men Ring 2MR099 3D model on CGTrader for $20. High-quality mesh by Bulgeri.
STL (Stereolithography, filesize: 860 KB), OBJ (OBJ, filesize: 811 KB), FBX (Autodesk FBX, filesize: 138 KB), 3DM (Rhinoceros 3D, filesize: 3.78 MB)