Candi: 4mm, 0.50ct Brilliant Cut Ice on Fire CZ Screw-Back Stud Earrings 925 Sterling Silver, 3118A Hard-to-find threaded posts with screw-on backs available in sizes from 3mm to 10mm! Features the outstanding fire, sparkle and clarity of Russian Ice on Fire CZ's! A great choice for men and women alike (unisex design)! Made with sizes frsolid 925 Sterling Silver