Ladies 18 karat white gold black/ white diamond necklace designed by Frederic Sage featuring 20 prong set round brilliant cut black diamonds weighing 3.93 ct. Accenting the necklace in six stations are 22 pear shaped diamonds weighing 2.50 ct. The diamonds are G-H color, VS2 - SI1 clarity. The necklace with a hidden box clasp measures 30.00 inches in length and weighs 29.10 grams.