The Cerf. It's a great bag but the color makes it harder to care for compare to the other two. Despite the GST and Celine both being red, I feel they're very different bags and both will be more timeless than a light color Cerf Tote. Also in all honesty, Cerf's resale value isn't great so I would sell it sooner than later (when it will be worth even less).
Personally I would get rid of the Cerf. Cream is a hard color to keep clean in a tote (especially if you carry them full and they always drag across your jeans) and I prefer the shape of the other bags!