Birks Edwardian Hexagonal Untreated Green Emerald And Diamond RingLadies beautiful Edwardian era platinum Birks emerald and diamond ring featuring approximately 0. 50 carat total weight of green untreated emeralds, and approximately 0. 35 carat total weight of single cut diamonds of (VS) in clarity and (G) in color. 10. 6mm L x 15. 3mm W. Presently a size 6 1 2. Circa 1910 (+ ). Very Good Condition. Accompanied by a Van Rijk appraisal certificate