Sterling Silver Triangle Ruby Ring SIZE 8.5Material: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 1 genuine ruby Ring Face Dimension: 0. 25 x 0. 25 x 0. 2 inches Weight: 1. 9 grams Ring Size (US): 8. 5 Stamp Mark: 925 Serial Number: r28241 Ruby is one of the four precious gemstones along with diamond, emerald, and sapphire. Rubies range in color from pink to blood red and are found around the world. Many gem quality rubies come from South and Southeast Asia.