Stone does have a knick on it and there is some roughness to the stone so it is not perfect. The roughness can only be seen when looking at it through a loop and is not visible to the naked eye. The knick is slightly visible if you are looking for it but othersie it is not something that is very noticeable either. 

Ring size 6.75

Stone is 10,mm by 8.25mm

Total Weight: 5.7 grams

In used conditions o does have signs of wear and some patina. 

Item #: A1973