Sterling Silver, Ruby EarringsMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 2 pieces top grade authentic ruby Overall Dimension of Each (including hooks): 0. 75 x 0. 75 x 0. 2 inches Back Type: Stud Weight: 3. 1 grams Stamp Mark: 925 Origin: Thailand Serial Number: e9151 One of the four precious stones, rubies range from pink to deep red in color. They are mined in Southeast Asia and parts of Africa. Most natural rubies have inclusions or color