Magnificent 14K White Gold Diamond Large Emerald Designer Pendant Necklace. This rare piece features one oval natural emerald, weighing 1.25 carats and 35 brilliant round diamonds, weighing 3/8 of a carat. The necklace is not included. The pendant measures 1.25 of an inch long by 3/8 of an inch wide. This piece weighs 2 grams.