PAVOI Pink to Peach Stud Pearl Earrings for the National Breast Cancer Foundation - Freshwater Cultured AAA+ 5mm National Mammography Program Beyond The Shock Early Detection Breast Health Awareness 5-6mm pearls are perfect for women who enjoy a delicate, understated look. 7-8mm are our most popular size. Perfect for day-to-day style. 8.5mm pearls and above are ideal for women who like to make a statement with their jewelry.