Arleth 14 Carats Opal Cabochon Cut Engagement Ring with Halo Round Green Emerald in 14k Yellow Gold By Mike Nekta Central Stone:Carat Weight: 10 CaratsStyle: Opal Cabochon CutHalo:Carat Weight Total: 3.75 CaratsStyle: Round Green EmeraldMeasurement: Approximately 3.5mm Diameter EachSetting: 3 Round Prong Ring:Metal: 14 Karat Yellow GoldMetal Weight: 12.00 GramsSettings: 10 Round ProngSize: Can be adjusted to any size.Total Carat Weight: 13.75 Carats