Cocktail Ring in Rose gold, Emerald and Diamonds on Platinum

Ring in 750/1000 (18K) rose gold set with two old-cut diamonds and an emerald, all set in Platinum.
Diamonds: approx. 0.40 Ct each
Emerald: beautiful color approx. 0.30 Ct
Ring size: T 57 (Modifiable)
Weight: 10.2g
Circa 1950