Sterling-non-tarnish, Swiss Blue topaz, lever backs. Earrings can be ordered in 10k, 14, or 18k gold. Available 8mm square gemstones are: Swiss Blue Topaz, Blue Zircon, Garnet, Peridot, CZ, London Blue topaz, Citrine, Onyx. Availability of these stones is limited. Price of earrings changes upon gemstone selected. Plain step cut, checkerboard cut and princess cuts available in limited availability. Please contact us for exact price quotation.