Landstrom's Black Hills Gold Sterling Silver Birthstone Ring with 12k Gold Pink and Green Leaves Customizable for 12 birthstones (Ring Size 4 - 10) Made of Sterling Silver 9 X 7 MM Synthetic Alexandrite Center Stone Comes in a beautiful green Leatherette Box Authentic Landstrom's Black Hills Gold Jewelry, Manufacturers Limited Lifetime Warranty Made in South Dakota, USA