The Ring falls on a US mandrel between a Size 6.75 and 7, which is UK Size N and N 1/2. The face of the ring measures approx. 9mm north to south. 

It is fully hallmarked, has been tested and verified, weighing in at 9.8 grams. There are no problems.  This item is pre-owned and there will be ordinary and normal use marks.  

Comes from a clean, smoke-free home.