Our 1 1/4-sterling silver earrings give you the option of customizing with birthstones. Some of of the “birthstones” are sparkly Cubic Zirconias representing each of the twelve months of birthstones. January has Garnets, February Amethyst, March aquamarine, June Pearl, August peridot. Please indicate your choice when ordering. The pair pictured are Garnets’s birthstone.