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.
Together, these jurisdictions account for 407,749 residents. The combined population of Arlington, Fairfax, Loudoun, and Prince William counties and the independent cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park is 2,367,605, which was 28.66% of Virginia's population in July 2013.