9.5-10mm Cultured Keishi Pearl Earrings With .10 ct. t.w. Diamonds In 14kt Yellow Gold. Post Earrings - Beautiful blossoms on our earrings are composed of 9.5-10mm cultured freshwater Keishi pearls. Centered with .10 ct. t.w. diamonds and petite cultured freshwater pearl accents. Post/clutch earrings are presented in polished 14kt yellow gold.