Overall Dimension (including bail): 2.5 x 0.5 x 0.2 inches
Inner Bail Diameter: 6 mm
Weight: 4.2 grams
Stamp/Mark: OBSIDIAN STERLING
Serial Number: p31552
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.