The most popular size of diamond stud earrings is one carat TCW. This size is large enough being obvious and fits a popular price range folks have for diamond earrings. My favorite set of one cttw studs are these stunners in a very white gold martini location from Blue Nile. https://blockchaintips93681.fitnell.com/72699040/5-essential-elements-for-best-earring-studs