The 10.5mm diameter precision-cut zirconia, larger than the 4 karat round fine solitaire ring, creates a brilliant reminiscent of fine jewelry. Material: Silver (platinum coating); Ring Width: 0.1 inches (3.2 mm); Ring Thickness: 0.07 inches (1.8 mm); Ring Height: 0.3 inches (8.8 mm); Luxurious shine with every finger move, giving you an elegant look.