Lab Created Black Fire Faceted Opal Studs - White Gold, 14k Gold, Rose Gold Plated Earrings - 5mm, 6mm, 7mm, 8mm Stud Earrings Product Information: Material: 925 Sterling Silver Studs with Plating & Lab Created Black Fire OpalMetal Plating: White Gold, 14k Gold, & Rose GoldColor: Silver/Gold & Black/RainbowPost Length: 1mmClosures: Push Back Style: Stud EarringsStone Cut: Faceted Diamond Cut Stone Sizing: 5mm, 6mm, 7mm, & 8mm *Please keep in mind that each stone is unique and color will vary Our