1.50 Carat Princess Emerald and Diamond Ring, 18 Karat Yellow Gold Gorgeous Emerald of Colombian origin measures 7.16-7.06 X 4.50 in diameter. The estimated weight of the emerald is 1.50 carat. The cut of emerald is a princess and is flanked by a round brilliant diamond on either of its side. (2) Diamonds are 2.90 mm with a total weight of .20 carat. Quality of the diamonds are VS clarity and G-H color. Total weight of the ring is 1.70 carat Weight of ring is 3.5 grams Ring size is 7.5 Shank graduates from the diamonds at 1.75- 1.90 mm GIA Gemologist inspected and evaluated