Our 14k Gold 3mm April Cubic Zirconia or Assorted Austrian Crystal Birthstone Earrings. Crafted with prong set stones for lasting sparkle, these earrings feature 14k Gold posts and 20 gauge push/pull clutch backs for secure wear for all ages. At Baby Ear Piercing, licensed professionals have provided trusted piercing services since 1987. Choose these birthstone earrings for a meaningful and stylish gift.