These earrings are made of sterling silver and have natural blue tanzanite gemstones and diamonds. The tanzanite stones are oval-shaped and 4x3mm in size, with a total weight of 0.32 carats. The diamonds have a weight of 0.032 carats. The earrings are 9mm long and 7mm wide, with a post and push back closure. They are sold as a pair and are a great addition to any jewelry collection.Material: Primary - Purity: 925Stone Type 1: TanzaniteStone Type 2: Natural DiamondStone Color 1: BlueStone Quantity 1: 2Length of Item: 9 mmStone Setting 1: Prong SetStone Weight 1: 0.32 ctStone Weight 2: 0.032 ctMaterial: Primary: Sterling SilverStone Shape 1: OvalStone Size 1: 4 x 3 mmStone Treatment 1: HeatingWidth of Item: 7 mmProduct Type: JewelryJewelry Type: EarringsSold By Unit: PairMaterial: Primary - Color: WhiteEarring Closure: Post & Push BackEarring Type: ButtonStone Creation Method 1: NaturalStone Creation Method 2: Natural