Jerusalem Cross with Opal Stones Duet Necklace Jerusalem Cross with Opal Stones Duet Cross Size: 1" x 1" ~ with 18" Chain - Gift Boxed Add Light and Balance to Your Look. You will love wearing this beautiful Jerusalem Cross! with 2 Ways to Wear - You Have Options! Just turn this elegant, solid silver Jerusalem Cross ~ It will open to a classic design to match your clothing and occasion. See "Product Description" for more details