Solitaire 3 Ct. Princess-Shape Cubic Zirconia Cz Bridal Engagement Wedding 3 Piece Ring Set (Center Stone is 2.25 Cts) Stunning 3 piece bridal set featuring sparkling cubic zirconia stones. Princess-Shape center cubic zirconia is 8 mm (2.25 Cts.) flanked by 24 round-shape CZ's for a total of 3 carats. Ring measures 11 mm wide at top and tapers to 7 mm. Beautiful Silvertone over brass and anti-tarnished.