Charm: 9mm L x 5mm W Solid Sterling Silver 2.5mm Round Faceted Genuine Gemstone in Alexandrite Matte Finished Silver June Birthstone Charm in Genuine Alexandrite Alexandrite is an unusual gemstone in that it changes color depending on the light source. The color in this Alexandrite charm changes from a blue-purple to a red-purple. Add this sparkling gemstone charm to any necklace or bracelet to represent a loved one born in June. This solid sterling silver pendant features a flush set genuine alexandrite gemstone.This faceted alexandrite gemstone gold charm is the birthstone for June. Birthstone prices vary depending on the cost of the stone. The pictures in Alternate Images are there to show the scale of the product. Colors and other details may vary.