Miabella Interchangeable Ring in 925 Sterling Silver with Set of 5 Genuine Gemstones for Women Interchangeable ring in 925 sterling silver. Finished with a layer of rhodium for added durability. Includes five oval 18x13mm genuine gemstones: Lapis Lazuli, Onyx, Rose Quartz, Red Agate, Green Aventurine Gemstones can be easily interchanged through an innovative magnetic system