When it comes to diamond engagement rings, gemstones are the most important part of the piece. After all, it represents your relationship with your better half. In addition to being a symbol of your love, it will be the most expensive part of the piece. Below are some of the appealing options you can choose from to make the best choice in diamond for your engagement ring. Round Brilliant Cut Diamond This is the most classic and popular option for styling up your diamond engagement rings. A round brilliant cut diamond is the most brilliant of all other diamond options, as it boasts a maximum number of facets. The main advantage of choosing this diamond is the elegance and the versatility it offers. Blue Diamond Colored diamonds are another option when it comes to best diamonds for engagement rings. A blue diamond is one of the stunning and rarest gemstones, which is sure to wow up your ring. It is available in various hues of blue and the expense of the diamond depends on this; the higher the intensity of blue color, the more will be the price of the gemstone. Pink Diamond Another colorful and appealing option for your diamond engagement rings will be a pink diamond. Just like blue diamonds, pink diamonds are also available in various hues that range from faint to fancy dark. In some stones, you can also see secondary hues such as purple, orange, or brown.