Pink Sapphire is a highly desired gemstone for engagement rings for a number of reasons. First, pink sapphires are very rare, which makes them special and unique. Second, they are associated with love and romance, which makes them ideal for an engagement ring. Third, they are beautiful and luxurious, and fourth, they are believed to have special powers, such as the power to attract good luck and protect the wearer from harm. All of these factors combine to make pink sapphires one of the most popular choices for engagement rings.