Natural blue sapphires have captivated humans for centuries, with their rich hue and brilliant luster. Historically, they were cherished in ancient civilizations, including India, where they were first documented over 2,000 years ago. The stone's allure was further recognized in ancient Greece and Rome, where sapphires were believed to bring protection and wisdom. The discovery of blue sapphires in Sri Lanka in the 13th century significantly expanded their availability and popularity in Europe. Today, these gemstones are prized worldwide for their stunning color and durability, with notable deposits found in Sri Lanka, Myanmar, and Madagascar.