Jewelry Wedding Ring 4- 3DM-OBJ-FBX- JWR4 .
Ring size US 7
1 X diamond Round 5.1 mm X 5.1 mm diameter = 0.52 cts.
Gold 18kt weight 3.80 gr.
3DM file format for editing .
OBJ file format.
FBX file format.
You can see on link for STL file format for 3d printing .
Thank you.