Our mood ring features happy and sad faces and serves as a reminder to embrace all of our emotions, process them and move through them to gain a better understanding of ourselves and our experiences for personal growth and greater resilience. 18K gold vermeil (solid sterling silver plated with 2.5 microns of 18K gold). This gold happy sad smiley ring is available in sizes 6, 7, 8, 9, and 10. Made to last through all of life's ups and downs.