Probably the most popular size of diamond stud earrings is one carat TCW. This size is sufficiently big to be apparent and matches a popular funds folks have for diamond earrings. My preferred set of one cttw studs are these stunners in a white gold martini environment from Blue Nile. https://lanemmkgb.theobloggers.com/38021417/the-definitive-guide-to-nickel-allergy-earring