These John Hardy Kali Lavafire earrings feature natural blue topaz, iolite, and aquamarine stones set in sterling silver with an 18k gold top. The omega back closure ensures a secure fit for the studs, which are adorned with a round-shaped main stone and 18 secondary gemstones. The brand's reputation for high-quality craftsmanship is evident in this exquisite piece of fine jewelry, making it a luxurious and stylish accessory for any outfit.