Add a little pizzazz to your favorite stud earrings with these diamond halo jackets. The center fits a 5.5mm stud. Made with .25ctw of sparkling diamonds in 14k white gold. Perfect for dressing up diamond studs. Add a second or third piercing accent earring for a fabulous statement. Brighten your collection with these dazzling jackets, formed of scintillating diamonds set in shimmering white gold.