Usually, rubies, emeralds, and sapphires are commonly used in diamond engagement rings. In fact, sapphire diamond rings will be a great option if you want your ring to turn heads. There are many amazing designs to choose for a sapphire diamond engagement ring as well. For instance, consider sapphire diamond rings that boast halo setting. In such a design, a rectangular-shaped sapphire gemstone is given at the center of a platinum band. This center stone is surrounded by accent diamonds, which are secured by means of a bezel setting. The overall setting of the sapphire diamond engagement ring is sure to offer it an antique appeal. Another popular design for sapphire diamond rings features a wide platinum band that has three channels. Here, tiny diamonds are channel-set in the middle row and the channel on its either side is inlaid with tiny sapphire accents. This type of diamond engagement rings will be suitable for people who lead an active lifestyle.