There are so many things to consider when one is to buy the perfect engagement ring to present to his loved one. He cannot just buy the first ring that catches his attention. The most common and most popular choice would be the diamond engagement rings. Diamonds, known for their rarity and beauty, can make an engagement ring stand out. They come in varied sizes, shapes and colors. The higher the karat of the diamond, the more expensive it would be. Colored diamonds may be less expensive than the clear ones, but when different colors are put together in a single jewelry, they can create a truly beautiful piece of jewelry. You should also think about the cut of the diamond that will adorn your engagement ring. Some people choose cushion cut engagement rings because they add beauty to the ring itself. Although they do not shine or sparkle as brightly as the other cuts of diamonds, the elegance and character that it adds to a ring is undeniable. You can purchase them from antique jewelry stores or online shops.