Marshal Imports 4.5 MM Light Amethyst Round-Cut CZ Stainless Steel Engagement Ring, IP Light Black (IP Gun), Size 5,6,7,8,9,10 Material: Stainless Steel, IP Light Black (IP Gun) Stone Type: Cubic Zirconia Stone Color: Light Amethyst Round Cut CZ Item# MITK260908403 Center Stone Size(approx: 4.5 (mm)