Large Vintage Art Deco Sterling Silver Citrine Ring

 
Vintage 1930s Art Deco sterling silver ring set with a large 23x20x12mms emerald cut citrine, sitting 16mms high upon the finger.  Indiscipherible.. appears to read 14k, but probably a makers mark.
Measuring a UK size P 3/4 and US size 8. Very good condition.