Choosing an Edge Profile You Will Still Like

The front edge is chosen last, fastest, and from the smallest sample in the showroom. The material notes at countertop installers redding aedreams give it a page of its own, because a Redding kitchen lives with that shape every day and the countertop upgrade is priced by the linear foot rather than buried in the square foot rate.
What You Are Actually Choosing

An edge profile is the exposed face of the material, ground and polished into a shape. The standard inclusions are an eased edge, which is a square face with the sharpness taken off, and a small radius. Everything else is charged as an upgrade, and the charge is per linear foot of finished edge, which is why an island with a return costs more than a straight run of the same footage.
The Shapes That Survive Daily Use

Simple shapes win on durability. Anything that leaves a fine feathered lip standing proud will find a saucepan sooner or later, and stone chips at the thinnest point every time. A heavily rounded front sends spilled liquid straight down the cabinet fronts, which some households never notice and others regret within a month. Decorative shapes with a recess also trap the film that builds up around a cooking area, and a cloth skims over it rather than into it.
Thickness Changes the Whole Look
Identical shapes read very differently at two centimetres and at three. Thin material is often built up along the front with a strip of the same slab so the visible face doubles, and the quality of that concealed join varies enormously between shops. Done cleanly it cannot be found by eye; done carelessly it leaves a faint line along the whole run. Ask to visit a finished kitchen instead of judging from a chip in a sample rack.
Where the Waterfall Edge Sits
A waterfall edge, where the material turns and runs to the floor down the side of an island, is a fabrication decision rather than a profile choice. It needs a mitred corner, the veining carried down the fall, and support built inside the panel. It is not a small upcharge, and on a plain colour it mostly reads as expensive rather than striking.
Practical Points People Forget
A deep overhang and a heavy profile together push the thing you catch your hip on further out. If a dishwasher door swings under the front, a bulky shape can foul the handle. And whatever is chosen for the main run should carry through to a window sill or bar top in the same room, because two different profiles in one space looks like a mistake even to people who cannot name it.