The NTH Ring (Norwegian: NTH-ringen, first known as Høiskoleringen, also known as Ringen, Sivilingeniørringen, NTNU/NTH-ringen or Master-ringen) is a ring worn only by graduates of the Master of Science in engineering or architecture programmes (formerly the sivilingeniør or sivilarkitekt programmes), at the Norwegian University of Science and Technology (NTNU), formerly known as NTH (Norwegian Institute of Technology).[1]
About 1,000 rings are sold per year.[2]