Ladies 14 karat white gold The Cove Seashell Collection blue topaz and diamond necklace featuring a pendant with 7.74 ct. of blue topaz. Accenting the pendant are 55 prong set round brilliant cut diamonds weighing 0.21 ct. The diamonds are K-L color, VS clarity. The necklace measures 17.00 inches in length and weighs 9.30 grams.