These bubble gemstone hoop earrings are a unique choice she is destined to admire. Created in sterling silver and 14k gold plate, each earring showcases a variety of topaz - 3. 5mm london blue and swiss blue topaz along with petite shimmering white topaz - alternating in yellow gold-plated and silver bubble-shaped frames. Buffed to a brilliant luster, these earrings secure with hinged backs.