engagement ring Weight(based on 14k gold):8.360 gram Weight(based on 18k gold):10 gram recommended material : gold Ring size:59 Surfaces thicknesses: 0.6 mm two separate part for better polishing and using different electroplating colours Resizable Ring Model is fully ready for 3d printing of plastic, metal or jewelry wax created by rhino(using NURBS)and editable available in 3dm and stl and 3ds Other formats and sizes are available by request support included ready for print Any questions ? Let me know