Prepared to production STL part models, 3DM source files for Rhino3D versions 5 and 6.
As bonus added rhino file that was used for render.
One earring weigth is ~2.5g for sterling silver (Model volume equals 145+47+52=246 mm~3);
Gems:
OBJ's exported from Rhino as NURBS and as mesh and not tested. I added it just for better publishing score.