These earrings are made of sterling silver and have diamonds and amethysts. The diamonds are natural and weigh 0.25 carats, while the amethysts have a total weight of 2.75 carats. The earrings are 11mm long and wide, and have a button design with a post and push-back closure. The amethysts have been heated but both gems are natural. They are a beautiful addition to any jewelry collection.Material: Primary - Purity: 925Stone Type 1: Natural DiamondStone Type 2: AmethystStone Color 2: PurpleStone Quantity 2: 2Length of Item: 11 mmStone Weight 1: 0.250 ctStone Weight 2: 2.75 ctw (total weight)Material: Primary: Sterling SilverStone Treatment 2: HeatingWidth of Item: 11 mmProduct Type: JewelryJewelry Type: EarringsMaterial: Primary - Color: WhiteEarring Closure: Post & Push BackEarring Type: ButtonStone Creation Method 1: NaturalStone Creation Method 2: Natural