0.02 Carat, 1.5mm(0.059 In) Tiny Round Cz Cubic Zirconia Stud Piercing in 14k Yellow Gold Top grade Cubic Zirconia 14k solid gold post and 14k gold filled push backs a pair of studs and stamp setting 1.5mm diameter x 9mm length(8mm bar), 0.5mm post thickness This stud is the smallest and very tiny. Multipurpose stud for nose or ear piercing.