An engagement ring is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. ... It represents a formal agreement to future marriage. In Western countries, engagement rings are worn mostly by women, and rings can feature diamonds or other gemstones.
Engagement rings are symbols of the love, devotion, and fidelity a couple shares. The very shape and design of the ring, however, has additional symbolism that many couples incorporate when they design a ring or select the perfect ring to represent their relationship