VS clarity is the next grade after VVS. Generally, the difference between the two comes down to the number and size of inclusions. A VS diamond will have more flaws, but what makes the biggest difference in terms of visibility is the size of these inclusions â VVS diamonds have smaller flaws than VS ones.
Another historically important product of the area is Mosul marble. In 1987, the city's population was 664,221 people; the 2002 population estimate was 1,740,000, and by 2008 was estimated to be 1,800,000 The city's mayor is now Zuhair Mohsin Mohammed Abdulazeez .
The city had an estimated 2015 population of 315,685, and is the cultural and economic center of the Greater St. Louis area (home to 2,916,447 people), making it the largest metropolitan area in Missouri and the 19th-largest in the United States.