There are so many ways that diamonds can be used in different nipple jewelry. Diamond nipple rings add a flare to your jewelry. You can find cubic zirconia gem nipple rings in nipple shields, bezel set barbells, captive rings, and circular barbells. There is a huge variety of jewelry choices when it comes to diamonds in nipple piercings. This is a beautiful way to add flare to your nipple piercings! Adding a little sparkle makes a big difference when it comes to showing off your piercings.