Quantum Jewelry 316L Stainless Steel Petite Celtic Claddagh Unisex Ring High Quality 316 L Stainless Steel Highly polished 316 L Stainless Steel does NOT tarnish or rust. It is very hard and durable. It has a beautiful luster that can be buffed and polished to remove fingerprints or scratches. Heart measures 7mm, crown and heart is 11mm , and from cuff to cuff is 20mm The band is 2.5mm The traditional way to wear a Claddagh ring is if you are single, wear it on your right hand with the heart pointing out. If engaged, you wear on your right hand with the heart pointing in towards your heart. Once married, move your ring to the left finger with the heart pointing in towards yours.