Mastoloni's stunning 18-karat yellow gold earrings feature luminous freshwater cultured pearls accented by sparkling white diamonds. Founded in the mid-1920s by Frank Mastoloni, Sr., the family-owned business has grown to become one of the most respected in the cultured pearl industry. The company is renowned for its meticulous designs, superior craftsmanship and unparalleled quality. Diamonds, 0.50ctw. Pierced only.