Ross-Simons - .40ct t. w. Aquamarine, .17ct t. w. Diamond Stud Earrings in 14kt White Gold. Inspired by the beauty of flowers, these lovely stud earrings sparkle bright with .40 ct. t. w. round aquamarine centers and .17 ct. t. w. round diamond petals. Finely crafted in polished 14kt white gold. Post/clutch, diamond and aquamarine stud earrings. Aquamarine birthstones are the perfect gift for March birthdays.