Gold White Round Cultured River Pearl Stud Earrings 7 - 7.5 mmPearl Stud Earrings These 9ct gold stud earrings are set with white, round, cultured river pearls that measure between 7mm and 7. 5mm. The simple gold setting provides a warm contrast to the natural lustre of each pearl, creating a classic and versatile design. Known as freshwater pearls, these are genuine pearls that have been carefully cultivated and grown inside freshwater mussels. This natural process is what gives each one its smooth surface and