The Meaning of Sapphires  Sapphires have long been associated with romance and everlasting love, and are often given as an engagement or wedding gift. Sapphires can be found in a variety of colors, and the most popular is blue.  But the rarest and most valuable type of sapphire is the white sapphire. White sapphires signify purity and innocence, making it an excellent choicWhy a White Sapphire May Be the Perfect Engagement Ring for Youe for an engagement ring.