A perfect choice for yourself, or as a gift, our Fire Opal stud earrings feature sturdy cast basket settings and beautiful sparkling gems. Opal is a treasured gem all over the world. A symbol of hope, purity, and love, opal earrings make an elegant and luxurious gift. Opal is a treasured gem all over the world. A symbol of hope, purity, and love, opal earrings make an elegant and luxurious gift.