This style of  cocktail Rings was very popular in the 1930's and 40's . big impressive rings  using stones that enhanced the big and impressive designs. This specific Ring is not the largest of this genre but it is substantial , there are two diamonds 4 mm Rounds , old cut , about 1/4 of a carat each then 4 square cut Burmese rubies of close to the best colour the size of the squares is 3 mm total Ruby weight close to one carat. The Ring has no markings and has  been acid tested for 18 karat Gold. 

Right now it is size 8.5 US - 18 European and can be resized before shipping.