I offer you one more 3D model of a jewelry , this is wedding or casual 3 waves ring.You can choose an interesting combination of gold color. Your jeweler will competently collect this ring for you, or a couple of rings if this is a wedding. If necessary, I can adjust the required ring sizes.Size 17.5 (EU size is 55).Volume 600mm3.Triangeles 250000.Points 400000.File is checked for errors by Magics software is ready to grow on a 3D printer.