Cultured Pearl, Diamond, Gold Necklace The necklace features cultured pearls measuring 11.20 x 11.30 mm and 11.85 x 10.85 mm, accented by full-cut diamonds weighing a total of approximately 0.45 carat, set in 18k gold. Gross weight 22.50 grams. Length: 17 inches Drop Dimensions: 1-5/16 inches x 3/4 inch