This wedding ring guard has 28 round, prong set stones. Each band measures 2 millimeters wide. This ring enhancer has 1.01 carats total weight. This ring jacket is made to fit a round or princess cut solitaire from 0.5 carats to 2 carats; a marquise solitaire from 0.5 up to 1.5 carats. If you are unsure if this ring enhancer will work with your engagement ring, please add Virtual Fit onto your order. Virtual Fit will all us to fit the ring guard to your engagement ring. You can find Virtual Fit by searching TB-KT-0001 .