Wear your shimmering birthstone in a sophisticated style with these oval-shaped white topaz and diamond drop earrings in yellow gold. Fashioned in warm 10k gold each drop glistens with a 7. 0 x 5. 0mm oval-shaped white topaz. A single diamond tops the look for extra sparkle. White topaz is the modern birthstone for april. These 1/20 ct. T. W. Diamond earrings secure with lever backs.