Round Diamond stud (IGI Certified 0.70ct &up) Popular Quality ScrewBack 14K 0.04ct-2.00ct Clarity-I2 PARIKHS Round Diamond stud Popular Quality in Screw Back 14K White Gold (0.50 ctw, I2 clarity) Beautiful Diamond stud 0.50ctw (each stone 0.25ct & 3.90mm) Screw Back posts allow earrings to be securely in place irrespective of any activity you have planned for the day. All our diamonds are Natural, not man-made, not lab created, conflict free diamonds Hand set in New York City in 4 Prong Setting.