Diamond stud earring is as essential as that little black dress or white button-up oxford. Whether worn as an accent to other earrings, or worn on its own, this unisex color-enhanced black diamond is always a great choice. Back: Friction Diamond total weights may vary between .01 and .08 carat. Diamond total weights may vary between .01 and .08 carat. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.