Heather: 2.44ct Ice on Fire CZ 2 pc Heart-shaped Bridal Wedding Ring Set 925 Silver, 3103B The Heather: Another stunning design from our new Hollywood Glam collection. Features a stunning 6.5mm, 1.0 carat, round Brilliant-cut Russian Ice on Fire CZ Solitaire. Made with solid 925 Sterling Silver. Ring weighs approx. 7.6 grams.