Classic Stud Designn8 mm Dark Natural Jaden10K GoldnMeasure 5/16 by 5/16 InchesnPosts with Friction-BacksnClassic jade is always in style. Crafted in 10K gold, these 8 mm natural dark jade studs are sure to add an unexpected pop of color to any ensemble. Pieces measure 5/16 by 5/16 inches.