Rings High Lonesome Trading Vintage Jewelry Vintage Turquoise Coral Sterling Silver 925 Ring Navajo Turquoise Coral Sterling Silver Mens Ring 43492 Large Turquoise and Coral Sterling Silver Ring Stamped 925 Etsy. Paul Largo Turquoise, Coral & Sterling Silver Ring Size 9 Meet Paul Largo, a skilled Navajo silversmith who created this beautiful ring using stunning turquoise and coral stones set in sterling silver. This ring is a size 9, with a length of 1 2" and a sterling hallmark to ensure its quality.