This is a charming 18k yellow and white gold necklace by Tiffany & Co. The necklace is set with sparkling round cut diamonds that weigh approximately 3.00ct. The color of these diamonds is E-F with VVS clarity. The necklace measures 8mm in width and 15 1/2 inches in length. The necklace is signed TIFFANY&Co. 750 and weighs 48.8 grams.