London Blue Topaz and White Topaz Flower Petal Stud Earrings in Sterling Silver Add an alluring appeal to your everyday look with these gorgeous London blue topaz with white topaz flower stud earrings. Stud earrings feature London Blue Pear shape gemstones in the shape of a flower decorated with round cut White Topaz center. High polished decorative sterling silver setting, post and butterfly backs. Blue Topaz is December's birthstone. The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture.