This stunning ring is called the Sterling Silver Stackable Expressions Cushion Cut Created Opal Ring. It is made of 925 sterling silver and features a beautiful, lab-created opal that exhibits a fascinating phenomenon. The cushion-cut opal is 0.57 carats in weight and has been treated with impregnation to enhance its natural beauty. This piece of jewelry makes a perfect addition to your collection and is ideal for stacking with other rings.Material: Primary - Purity: 925Stone Type 1: Opal, Lab CreatedStone Color 1: PhenomenaStone Quantity 1: 1Stone Weight 1: 0.57 ctMaterial: Primary: Sterling SilverStone Treatment 1: ImpregnationItem Weight U/M: gmProduct Type: JewelryJewelry Type: RingsMaterial: Primary - Color: WhiteRing Type: StackableStone Creation Method 1: Lab Created