Engagement Ring Settings: Guide To The Perfect Ring The ring setting and the ring style that you choose for your engagement ring are extremely important. These two things are the primary key decisions you need to make in order to determine what kind of gemstone you need to buy for your engagement ring and what the look and feel of your engagement ring would be like, which is studded with gemstones such as diamonds, sapphires, emeralds, and rubies. So, what does ring setting and ring style mean?