1) .Stl and .obj files are attched herewith. 2) The total polygon counts of the 3 mesh is 0.184 million. 3) Volume of the 3 closed solid is approx 605 mm3. 4) Mesh is 3d printable and castable with minimum shell thickness of 0.4mm. 5) Gemstones are round of 1.1mm and 1.4mm respectively. 5) Need any help , ready for modification