The price of Maison Francis Kurkdjian's Baccarat Rouge 540 can vary depending on the size of the bottle and the retailer. Generally, you might find a 2.4 oz (70 ml) bottle priced around $300 to $350. It's always a good idea to check with authorized retailers or the official Maison Francis Kurkdjian website for the most accurate and up-to-date pricing.