Ring Stone that have natural holes 3D print model

Jewellery ring 3D print model 3D model for CNC machines and printing. STL files have sharp edges for jeweler fine work. Ring size: 19mm,18mm,17mm,16mm,15 mm. Available formats: stl, obj, fbx. If you need another size for ring - contact me, it's free once time. Do not forget you always can negotiate final price.Weight for 14k gold before processing :19mm- 3.73 grams18mm - 3.32 grams17 mm -2.96 grams16mm-2.62 grams15mm-2.30 grams