Turning 21 is a big deal - so here's a stunning gift for the birthday girl so she can celebrate in style and never forget this momentous occasion. Our sterling silver 21 pendant features a clear cz crystal heart for extra sparkle on her big day. It comes on your choice of chain length from 16 to 24 inches. It measures 2.4 x 1.6 x 0.1cm and weighs around 4 grams. A delightful keepsake she'll treasure forever.