Shimmering like a waterfall in the sunlight this gorgeous opal and clear cubic zirconia crystal ring is perfect for adding something extra to any ensemble. The Mystic Falls Opal Crystal Ring is wonderfully feminine. This pretty ring features luminous teardrop-shaped opals along with clear cubic zirconia crystals that wrap around your finger to create a remarkable look that is ideal for any occasion. Materials: Rhodium over a sterling silver base. Cubic Zirconia. Synthetic opal.