That is a common dilemma because every one of those brands has such a strong "personality." I usually start by looking at the architectural lines of the house. If your space is very sharp and modern, maybe leaning into the geometric crystal of Baccarat makes sense. I spent hours on
MDMAISON just comparing the different brand aesthetics side-by-side. I realized that Christofle adds a certain classic warmth, while someone like Sieger by Fürstenberg is much more avant-garde. My advice is to pick one "anchor" brand for your main room and then use the others for smaller accents. It keeps the look intentional rather than cluttered. Don't feel pressured to buy everything from one line, but do try to keep a consistent theme in the materials you choose.