Her heart will melt when she sees these sterling silver stud earrings, which feature heart-shaped cubic zirconia stones that catch the light beautifully. Carat (ct.) total weight (t.w.) represents the approximate total weight of diamonds or equivalent appearance. 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.