Entwined Love: Pink Ice on Fire CZ and Russian IOF CZ Promise Engagement Ring Silver, M002 A gorgeous choice for a promise, friendship, commitment or engagement ring and the ideal gift for someone with a September birthdate! Features a 5.5mm, 0.625 carat, Brilliant-cut Pink Ice on Fire CZ solitaire. Made with solid 925 Sterling Silver. The ring weighs approx. 2.9 grams.