None, January-Garnet (Natural), February-Amethyst (Natural), March-Aquamarine (Natural), April-Cubic Zirconia, May-Emerald (Lab Grown), June-Alexandrite (Natural), July-Ruby (Lab Grown), August-Peridot (Natural), September-Sapphire (Lab Grown), October-Pink Tourmaline (Natural), November-Citrine (Natural), December-Blue Zircon (Natural)