Slip on a piece of delicate jewelry and add sparkle to an already glittering day

With their feminine look and exquisite shapes, these pieces are among the prettiest bridal gems we've seen. Many feature briolettes, design classics that are particularly well suited to earrings and pendants—as the stones dangle, they come beautifully to light. Here, a white-gold-and-diamond Tiara necklace, $26,930, by Penny Preville,