

The prong is in contact for 30-50% of the distance from the girdle to the table of the stone

Prong height is 60% to 80% of table height


40% of the metal is removed from the prongs’ thickness at bearings

The top of each prong is in full contact with the stone’s crown

Gallery wire strengthens the overall prong assembly

Prongs are angled outward from the base to the top of the setting

Setting and prongs are free of debris and exhibit a bright lustre

Diamond is level, with no gaps between the stone and the bearing above or below the girdle


No tool marks inside the setting or on the prongs

Prongs are evenly rounded and consistent in size and shape