b'Shamrock Pendant Small Signet Ring25.44mm x 20.65mm x 2.32mm Sizes 4-10; 8.26mm x 11.49mmTrinity Pendant Medium Signet Ring26.36mm x 25.85mm x 1.88mm Sizes 6-12; 11.65mm x 16.05mmCladdagh Pendant Large Signet Ring26.72mm x 21.75mm x 1.72mm Sizes 6-12; 13.40mm x 14.49mm7'