Lattice Round-shape 4.5 Ct. Cubic Zirconia Cz Bridal Engagement Wedding 2 Piece Ring Set (Center Stone Is 2 Cts) Stunning and sparkling 2 piece bridal set. Round-shape center cubic zirconia stone is 8 mm (2 Cts.) with 15 emerald-shape accents and 8 round-shape accents for a total of 4.55 carats. Ring measures 15 mm wide at top and tapers to 6 mm. Beautiful Silvertone over brass and anti-tarnished.