Vintage Navajo Sterling Silver 3 Coral Stoplight Ring. The Coral Stones Have a Matte Finish. Each Stone is Set in a Sawtooth Bezel around which is a silver rope and scallops. Ring Features a Double Wired Split Shank Band Design. 8.5 – 8.75. 41 mm Long x 10.7 mm Wide x 4.7 mm Wide. 5.28 mm Wide (Where The Double Wires Meet).