Ross-Simons - Lapis and 8mm Cultured Pearl Drop Earrings in Sterling Silver. In this pair of drop earrings, it's as if the moon is meeting the starry night sky. Here, 8mm cultured freshwater pearls float gracefully above 12-12.5mm round lapis beads, separated by 3mm sterling silver spacer beads. Natural pyrite flecks in lapis will vary. Hanging length is 1 5/8". Leverback, white pearl and lapis drop earrings. Pearl birthstones are the perfect gift for June birthdays.