Ring shank styles explained: cathedral, split, knife-edge and more
The shank is the part of the ring that goes around the finger. Its shape changes how the ring looks, how it feels and how well it holds up. These are the common styles.
Plain or comfort fit
A simple band, often with a rounded inside for comfort. It is strong and easy to resize.
Tapered shank
Wider at the top and narrower at the bottom. It draws attention to the stone while keeping the underside slim.
Cathedral shank
Arches rise from the band to meet the setting, like the arches of a cathedral. It adds height and holds the stone strongly.
Knife-edge shank
A narrow ridge runs along the top of the band, which makes the finger look longer. The edge needs enough thickness to wear well.
Split shank
The band divides into two strands near the stone. It adds detail and a place for small diamonds.
What to check in CAD
- The thinnest point of the shank, which wears first
- The inside surface, which should be smooth for comfort
- Enough width to allow resizing, if that is needed
See the engagement ring design guide and the ring size chart.
Frequently asked questions
Which shank is the strongest?
A plain or cathedral shank is usually strong. Very thin knife-edge or split shanks need enough thickness.
Can any shank be resized?
Most can, but styles with stones set all the way round or complex shapes can be difficult to resize.
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