Leoma 4 Carat F VS2 Cushion Cut Lab Grown Diamond Engagement Ring in 18k White Gold. IGI Certified Lab Grown Center Diamond:Carat Weight: 3.43 CaratsColor: FClarity: VS2Style: Cushion CutCarat Weight: 0.46 CaratShape: Round Brilliant CutSetting: 4 Round Prong & SidstonesMetal: 18 Karat White GoldTotal Carat Weight: 3.89 Carats