Kellie E: 2.26ct Brilliant cut Ice on Fire CZ Wedding Engagement Ring 925 Silver, 3077 The Kellie E features a pair of entwined Infinity Symbols that embrace the sparkling fire of the generous 7.5mm Russian Ice on Fire Cubic Zirconium solitaire. Features a 7.5mm, 1.60 carat Brilliant-cut Russian Ice on Fire CZ Solitaire. Made with solid 925 Sterling Silver. The design measures about 9mm in depth (or about 1/3").