Ross-Simons - .10ct t. w. Diamond Swirl Earring Jackets in Tri-Colored Silver. An RS exclusive. Give your studs a new image with a pair of iconic earring jackets, twinkling with .10 ct. t. w. diamonds. Jackets accommodate 7-7.5mm round earrings or a 3.00 ct. t. w. set of diamond studs, sold separately. Designed in a mix of sterling silver and 18kt yellow and rose gold over sterling silver. Diamond earring jackets. Diamond birthstones are the perfect gift for April birthdays. Diamond Earring Jackets, April Birthday, Studded Jacket, Diamond Birthstone, Earring Jackets, Swirl Earrings, Diamond Earring, Diamond Stud, Round Earrings