Sterling Silver Channel CZ 3.0 mm Eternity Wedding Band Ring. Stackable. SIZE 7 Buy 2 or 3 as they are Stackable. Great Look! Thin 3.0 mm wide. 3 point CZ's Approximately 22 per ring. Approximately 2.2 grams. Eternity bands have cz's all the way around the ring. .925 Sterling Silver Channel CZ Eternity Wedding Band Ring Stackable Comes in Gift Box.