signet mens ring with black onyx two options 3D print model

signet mens ring with black onyx two options american size 8.75 (diameter 18.7mm) 14k gold weigth 14.3 and 16.3 gr. silver weigth 11.5 and 13 gr.Two different options.You can see the dimensions of the model on one of the photos presented here.There 3dm file for editing and stl for printing.Mesh: vertex count = 87514 facet count = 139662 90% of my 3d models have been checked: made wax and finished product in gold or silver . High polygonal model.Made in program Matrix+Rhinoceros . Model was checked and healed in program Magics .Ready for the print.