This is the oldest hotel in Geneva, built in 1834 on the lake, and it mostly still acts like it: the frescoes and gilded ceilings are original, the rooms were recently redone, and the top-floor Japanese restaurant, Izumi, keeps coming up as the best meal in the city, not just the best meal in the building. The doormen and valet get named repeatedly for making the arrival feel unhurried, and housekeeping shows up fast when called, sometimes leaving a small baked treat behind for no reason anyone asked for. The spa, also on the top floor, has proper natural light, two steam rooms at different temperatures, and an in-room hammam shower that nobody else in town bothers with.
Rooms in the historic wing run small for what you're paying in Swiss francs, and a few guests flagged the showerheads as underwhelming for the price. Where it actually slips is the restaurant floor at busy hours: more than one guest describes empty tables held as "reserved" while they waited fifteen minutes for a menu, or got seated after people who arrived later. A returning bar regular also noted the kitchen swapped out a beloved profiterole recipe for a stiffer, worse version, which is a strange thing to mess with when everything else on the menu is being called excellent. The bar itself is a genuine draw on its own, with a bartender who'll remake a cocktail without being asked twice.
None of that touches the case for the room and the location, which is unmatched in Geneva: on the lake, by the bridge to the Old Town, walkable to everything. Book it for a couple of nights in a renovated room and dinner at Izumi, and go in expecting the lobby to occasionally move slower than the price suggests it should.