Ring size- US6 6 1/2 (17mm)Weight 14K - 3 gramsGem 6.0mm 10pcs-1.5mmModels fixed with RP Magics software and ready for prototyping on CNC or any 3D Printing..Stl file is for printing and 3DM source file for editing or modifying.Tested in production.If you have any questions or suggestions please contact me.