Huzurr Opal & Diamond Round Halo Stud Sterling Silver Earrings Wear these silver gemstone earrings and embrace timeless elegance in every step.These stud earrings feature round, lab-created opals surrounded by a halo of cubic zirconia stones set in 925 sterling silver. Opals are known for their iridescent play of color, and opals, like the ones in these earrings, exhibit a uniform pattern when viewed from the side. These earrings are designed as a classic and elegant accessory, suitable for everyday wear or special occasions. They are also marketed as a gift for those born in October, as opal is one of the birthstones for that month.