The most expensive brand under Belle in the United States is typically Michael Kors. This brand, known for its luxury fashion items, is often priced higher than other brands under the Belle umbrella. According to a report by Statista, the average price of a Michael Kors handbag is around $600, which is significantly higher than the average price of handbags from other brands under Belle, such as Sam Edelman or Steve Madden, which typically range from $100 to $300. The premium pricing of Michael Kors is attributed to its high-quality materials, sophisticated design, and strong brand recognition in the luxury fashion market.