Every woman needs a pair of plain and simple ball stud earrings in her collection. Ideal when you can't find anything to match your outfit, these studs can be worn day or night, dressed up or down. Available in sterling silver or 9ct gold, they range in diameter from 1mm to 12mm depending on your preference. With a variety of fastenings, there's a style for everyone and all budgets. Get your hands on these must-have earrings today.