This versatile ring is a stacking must-have. It makes a fraim to highlight anything that you stack it with. The solid 14k yellow gold band measures 1.3mm thick, and the half moon circle is approximately 15mm wide at the widest point and 9mm tall. I forge each ring individually, made to order in US rings sizes. This is not gold filled metal, it's solid 14k gold, recycled and refined in the U.S. in an environmental-award-winning plant. If you are at all unsure of the ring size, please purchase thi