Layne 5 Carat H SI2 Round Brilliant Lab Grown Diamond Engagement Ring Halo in 18k White Gold Lab-Grown Diamond: Carat Weight: 3.91 Carats Color: H Clarity: SI2 Style: Round Brilliant Cut Ring: Total Carats: 4.69 Carats Diamond: 0.78 Carats Shape: Round Brilliant Cut Metal: 18 Karat White Gold Setting: Halo & Sidestone Size: Can be adjusted to any size