Estate oval emerald & oval diamond 18K ring, circa 2000. This estate ring is crafted in 18 karat yellow gold with three oval stones in bezel settings. The center oval is an emerald of fine color, slightly bluish green, at .33 carat. There are also two oval diamonds at .20 carat and .24 carat. The accent diamonds to the sides have a carat total weight of .08 carat. This estate emerald ring is marked with 750 and makers marks. The oval emerald ring weighs 3.7 grams and is a size 6.