The Symbolic Meanings of Sapphire Engagement Rings Blue sapphires are the most popular and are believed to represent loyalty, wisdom, and truth. They are also associated with calmness and serenity, making them a popular choice for engagement rings. Pink sapphires, on the other hand, are associated with love, romance, and femininity. They are a great alternative to traditional pink diamonds and add a touch of elegance to any engagement ring. Yellow sapphires symbolize happiness, joy, and optimism. They are a great choice for those who want to add a pop of color to their engagement ring. Colorless sapphires are becoming increasingly popular due to their timeless and classic appeal. They represent purity, innocence, and clarity.