TIFFANY & CO. JEAN SCHLUMBERGER ''TAJ MAHAL'' DIAMOND ENAMEL EARRINGS: 18K yellow gold with cobalt enamel. Earrings contain 2 round brilliant cut diamonds. Weight: .12 Ct. Approx. The diamonds average VS in clarity and G in color. The diamonds are bezel set. Ribbed design with cobalt enamel stripes. Post and nut closures. Signed ''Tiffany & Co. Schlumberger''. 3/8'' dia. Weight: 5.5 grams. These fine Tiffany & Co earrings are currently offered retail for about $1700. Est. $900/1200**