The earring jacket opening measures 4.25mm and the earrings are sold as a pair. They make for a perfect gift for the special woman in your life, and are sure to be a cherished addition to any jewelry collection.Material: Primary - Purity: 925Stone Type 1: SapphireStone Color 1: BlackStone Quantity 1: 40Length of Item: 14 mmPlating: RhodiumStone Setting 1: Prong SetStone Weight 1: 0.18 ctw (total weight)Feature: SolidManufacturing Process: CastedMaterial: Primary: Sterling SilverCompleteness: Complete (all stones included)Stone Shape 1: RoundStone Size 1: 1 mmStone Treatment 1: HeatingItem Weight U/M: gmWidth of Item: 14 mmProduct Type: JewelryJewelry Type: EarringsSold By Unit: PairGender: Women'sMaterial: Primary - Color: WhiteEarring Type: Earring Jackets & EnhancersPlating Color: Silver ToneEarring Jacket Opening: 4.25 mmStone Creation Method 1: Natural