This is an amazing Atlas pendant necklace by Tiffany & Co. The pendant is set with sparkling round cut diamonds that weigh approximately 0.50ct. The color of these diamonds is E-F with VS clarity. The pendant measures 26mm by 24mm. The chain measures 18 1/2 inches. The necklace is signed TIFFANY & Co AU 750 ITALY and weighs 5.3 grams.