Learn · Making and repair
Prong setting and wear
Prongs are the few millimetres of metal between a stone and the floor. See how the bench guides cut the seat and size the tips, then follow a four-prong head through the stages of wear, with what to look for and when a jeweller retips a prong or replaces the whole head.
Move the sliders to see how the seat and tips are cut, then follow the stages of wear.