Round Diamond stud (IGI Certified 0.70 ct & up) Promo Quality ScrewBack 14K 0.04ct-2.00ct Clarity-I3 PARIKHS Round Diamond stud Promo Quality in Screw Back 14K White Gold (0.25 ctw, I3 clarity) Beautiful Diamond stud 0.25ctw (each stone 0.125ct & 3.00mm) 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.