Mariana Crystal Angel Necklace. Mariana jewelry is handmade in Israel with hand cut crystals, Swarovski crystals and gemstones. Magnificent crystal color combinations on the front with a guardian angel on the back. Mariana designs her jewelry to spiritually uplift the wearer with good energy. Her fusion of old and new, material and spirit is visible in all her designs and is the foundation, the heart and the core of her creation. Materials-Swarovski crystals, Gemstones, Sterling silver plate over brass (Nickel free), chain can be adjusted from 15" 18.5" and necklace comes with a Lifetime Guarantee. This necklace features clear iridescent crystals with a mix of light blues and greens.