twobirch 0.98 ct. filigree vintage wedding ring guard in sterling silver with cubic zirconia (size 6) twobirch this wedding ring guard has 26 round, prong set stones. each band measures 2.15 millimeters wide. this ring guard has 0.98 carats total weight. it is made to fit a round solitaire from 0.5 carats to 2, or a princess or marquise cut solitaire from 0.5 up to 1.5 carats.