Give the september birthday girl a gift with a little glitter and a lot of glam. Crafted in sleek 10k white gold, these stud earrings feature brilliant 4. 0mm prong-set blue sapphires surrounded by circular frames studded with 1/10 ct. T. W. Of dazzling diamonds. Buffed to a brilliant luster, these post earrings secure comfortably with friction backs.