A seawater pearl brooch typically features pearls that are cultivated in saltwater environments, giving them a lustrous and luxurious appearance. These brooches often come in various designs, ranging from classic and elegant to modern and artistic. They may include a single pearl or multiple pearls arranged in intricate patterns, often complemented by precious metals like gold or silver. Some designs incorporate other gemstones or intricate metalwork to enhance the beauty of the pearls. Overall, a seawater pearl brooch is a timeless and sophisticated accessory that adds a touch of elegance to any outfit.