VVS Diamonds and Diamond Clarity. The 4th 'C' of diamonds, clarity, is a measure of the amount, size, color and position of blemishes and 'inclusions' in the stone. Inclusions are small bits of other minerals or metals that are formed along with the diamond.
Mount Vernon is a census-designated place (CDP) and unincorporated community in Fairfax County, Virginia, United States. The population was 12,416 at the 2010 census.
The populations of each place were counted separately from that of the City of Washington until Alexandria was returned to Virginia in 1846, and until the District of Columbia was formed into a single municipality in 1871. In 1790, Alexandria had a population of 2,748. By 1800, the City of Washington had a population of 3,210, Georgetown had 2,993, and Alexandria had 4,971. The District's population remained small in comparison to other major U.S. cities.