Octahedral is suitable for dividing 70% with 30% or 60%-40% because it will use the wass that is the widest part of the raw diamond as the girdle of the polished diamond (diameter). at most)
Octahedra is suitable for 70% and 30% segmentation, or 60% -40% segmentation, as it uses wass. The widest part of a rough diamond is the cross-sectional area (maximum diameter) of the cut diamond.
Octahedral is suitable for separating 70% from 30% or 60%-40%, because it will use the widest part of the rough diamond, which will be the gear of the worn diamond (with the largest diameter).