Estate Tiffany & Co. Mabe Pearl Diamond Earrings in 18K Yellow Gold. The earrings are stamped TIFFANY&CO K18 ITALY. They have an approximate diameter of 0.92 inches and weigh 19.3 grams. Pearl Diamond Earrings, Earring Video, Tiffany Earrings, Mabe Pearl, Pearl And Diamond Earrings, Bracelet Love, Tiffany And Co, Pearl Diamond, Yellow Gold Earring