Posie: 0.20ct Brilliant-cut Russian Ice on Fire CZ Petite Engagement Ring 316 Steel, 3257A Features a 3.75mm 0.2 carat, Brilliant-cut Russian Ice on Fire CZ Solitaire. A contemporary yet traditional design that captures the beauty of the stunning Russian IOF CZ Solitaire. Made with solid 316 Surgical Stainless Steel Ring weighs approx. 1.1 grams.