Emerald, Diamond, White Gold Necklace The necklace features an oval-shaped emerald measuring 12.03 x 9.64 x 6.21 mm and weighing approximately 3.75 carats, accented by full-cut diamonds weighing a total of approximately 0.80 carat, set in 14k white gold. Gross weight 5.20 grams. Centerpiece Dimensions: 9/16 inch x 11/16 inch Chain Length: 16 inches