Ross-Simons - 14kt Yellow Gold Double-Piercing Chain Single Earring, Diamond Accents. RS Pure. Modern designs that complete your outfit and complement your personality. Made for two piercings, this dainty single earring features two diamond-accented studs that connect by a simple cable chain in polished 14kt yellow gold. Post/clutch, 14kt yellow gold double-piercing chain single earring. Diamond birthstones are the perfect gift for April birthdays.