EXCLUSIVELY AT NEIMAN MARCUS "Positano" stud earrings by ISTANBOULLI GIOIELLI. Polished 18-karat yellow gold posts and settings. Emerald pears with Vs+/G+ diamond halos. 0. 22 total diamond carat weight. 0. 60 total emerald carat weight. Post backs for pierced ears. Approx. 0. 4"H; 0. 3"W. Made in Italy.