Designed for 3d Printing.
STL files have sharp edges for jeweler fine work.
All gemstones enlarged to 5-10% for shrinking.
Woman rings STL actual size(mm) is:
Men ring STL actual size(mm) is:
All specs and dimensions for rings can be found on last image.
If you need another size for ring - contact me, it's free once time.
Do not forget you always can negotiate final price.