To score star s styles , try our Men s Single 2 Total Carat Weight Stud Earring. Round cut cubic zirconia stud earring is a classic must-have. Our sterling silver, round cut cubic zirconia stud really shines in a classic prong setting and measures approximately 2 carats. This men s earring has been dipped in rhodium electroplating for the expensive look of platinum. This item is part of our nickel free jewelry collection! Specifications: Metal: .9.