View Fullscreen Nikos Koulis Women's Oui Diamond & Enamel Stud Earrings $9920 From Saks Fifth Avenue Free shipping with Saks Fifth Avenue buy now Save for later Details From the Oui Collection. Emerald-cut diamond stud with polished enamel setting. Diamonds, 1.02 tcw. Enamel. 18k white gold. Length, 0.5". Post back. Made in Greece.