Mariana Crystal Guardian Angel Necklace. 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. Mariana jewelry is handmade in Israel with hand cut crystals, Swarovski crystals and gemstones.