Classic ring with an oval stone 3D print model

Classic ring with an oval stone. american ring size-6(diameter 16.3mm) .14k gold weith 1.77 gr.
You can see the dimensions of the model and gems on one of the photos presented here.There 3dm file for editing and stl for printing.
There 3dm file for editing and stl for printing.Model checked fixed in the program Magics.
90% of my 3d models have been checked: made wax and finished product in gold or silver .Model are for 3D printer or cnc machine. High polygonal model.Made in program Matrix . Ready for the print.