This specific 3D model, "Diamond pendant 3D model for render 3Ds Max V-ray 3D model shop", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
Native Formats: MAX (Autodesk 3ds Max, filesize: 67.7 MB)
Exchange Formats: OBJ (OBJ, filesize: 45 MB), FBX (Autodesk FBX, filesize: 22.9 MB)