mens signet ring with black onyx stone 3D print model

mens signet ring with black onyx stone. US finger sizes 7.75 8.5 9.5, 10.5 and 11.5(inner diameter 18 18.6 19.4 20.2 and 21 mm)
14k gold weigth 9.3-10 gr. 18k gold weigth 11-12 gr. silver weigth 7.5-8 gr.
oval gem-12x8.3x3.5 mm. 5 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. Made in program Matrix + Rhinoceros .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.Model was checked and fixed in program Magics .Ready for the print.
Mesh: vertex count = 195502 facet count = 256916