18K JADE AND DIAMOND PENDANT NECKLACE: 18K white gold necklace contains one piece of carved jadeite jade, approx. 1'' in length, surmounted by 5 round brilliant cut and 3 marquise brilliant cut diamonds. Weight: .26 Ct. Approx. Rated VS in clarity and H-I in color. The diamonds are prong set. 18K 16'' link chain. Gold weight: 2.2 grams Approx.