Mid-Century 4.50 Carat No-Heat Green Emearld & Diamond RingLadies Mid Century 18kt white and yellow gold green emerald and diamond halo set ring. Featuring a 4. 50 carat Emerald cut No Heat Green Emerald of beautiful color and average quality. The Emerald is bezel set and enhanced by 3. 60 carat total weight of Old European cut diamonds of (VS) in clarity and (H J) in color. Currently a finger size 7 1 2 but can be resized. Circa 1950's (+ ). Good Condition.