2.15 Carat Emerald Ring With Diamonds In 18kt White Gold. Size 5.5 - Our breathtaking emerald ring is a masterpiece of beauty and proportion! We are proud to present this stunning 2.15 carat rectangular emerald surrounded by a sparkling diamond fantasy of .35 ct. t.w. of diamond rounds and .40 ct. t.w. of pear-shaped diamonds. Ring is set in polished 18kt white gold.