ring with oval gem 3D print model

ring with oval gem. Gem - oval 6x8 mm. American ring sizes:5 6.5 and 9.5 (diameter 15.6 17 19.5mm) 14k gold weith 2.3 1.9 and 3.5 gr. 3 sizes.You can see the dimensions of the model on one of the photos presented here. There 3dm file for editing and stl and obj for printing.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. Made in program Matrix + Rhinoceros .High polygonal model. Model was checked and fixed in program Magics .Ready for the print.
Mesh: vertex count = 89191 facet count = 154540