Exclusively Ours! Irene Neuwirth Diamond Collection's circular stud earrings are crafted of 18k white gold set with rose-cut and pave white diamonds. Round rose-cut white diamond at center of stud is framed by pave white diamonds; earring's exterior border consists of smaller, round rose-cut white diamonds. 1.81 ct rose-cut white diamonds, 0.14 ct pave white diamonds. 18k white gold. 13mm diameter, approximately. Post back.