US finger sizes 13|12.25| 11 | 10.25 |9.5| 8.75 |8|(inner diameter 22| 21.3|20.4 | 19.8| 19.2| 18.8|18 mm). silver weight 8gr. 14k gold 10 gr . Gem 10x8x2mm.Mesh: vertex count = 131336 facet count = 194734Volume = 786.480525 (+/- 1e-07) cubic millimeters90% of my 3d models have been checked: made wax and finished product in gold or silver.There 3dm file for editing and stl for printing. The size of the model you can see on one of the photos presented here. Model are for 3D printer or cnc machine.Made in program Matrix +Rhinoceros . The model is tested and verified in the program Magics. finger ring silver platinum signet pattern drawing ring men exclusive gold jewel jewellery rings jewelry printable silver jewellery jewel 3dprint sterling gift signet filigree brutal mens signetring black stone onyx