Automic Gold turquoise stud earrings, new in box. These stunning turquoise stud earrings are just the pop color you need to take your style to the next level. Turquoise is an opaque gemstone that is beloved for its beautiful green-blue color. These dainty sustainable gold earrings have cabochon shaped stones to best show off their natural beaut, for December birthstone jewelry you can wear all year round.