These stunning 925 sterling silver earrings feature 6mm tanzanite gemstones in a heart cut. With butterfly backings for secure closure and a.925 stamp for authenticity, these earrings are the perfect addition to any jewelry collection. Elevate your outfit with the beauty and elegance of tanzanite.Metal - Solid Sterling SilverStone Size - 6 MillimetersClosure - Butterfly Screwback BackingsPlaring - Gold-ToneStone Treatment - CreatedStamp -.925Cut - Heart