3ds Max file is ready to render with mental ray. Scene lighting is included.
The entire model is subdivided. TurboSmooth modifier can be used to increase mesh resolution.
All the objects and materials are named. Two different materials are included. Objects are in real-word scale. Objects (each ring or a diamond) can be used separately. The diamond-only scene is also included in a separate 3ds max 2012 model.
3DS, FBX and OBJ files do not contain material. Objects in 3DS, FBX and OBJ files are at subdivision level 2.