18 Kt Yellow Gold Tiffany & Co Mobee Pearl and diamond earrings. These beautiful earrings contain 2 round shape pinkish/white mobee pearls that measure 16 MM each. Around the pearls are round shape natural diamonds with a total weight of 2.50 Ct. The diamonds are rated F color and VS1 clarity. The earrings measure 0.75 inches in diameter and have a total weight of 17.4 grams.