A perfect choice for yourself, or as a gift, our Tanzanite stud earrings feature sturdy cast basket settings and beautiful sparkling gems. A pair of tanzanite earrings makes for an unforgettable gift. A rare and precious gem, tanzanite is sure to please. Durable and affordable, a pair of blue topaz earrings are an excellent gift for a woman with blue eyes, or anyone who enjoys the beautiful color of blue topaz.