1 Oval stone ring Weight(based on 14k gold):5.460 gram Weight(based on 18k gold):6.530 gram recommended material : gold Main stone size: 16 x 13 mm Ring size:57 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 Other formats and sizes are available by request support included ready for print Any questions ? Let me know