The basic cityplanning document is a comprehensive plan that is adopted and maintained with regular revisions. The plan receives its daytoday expression in a series of legal documents—zoning ordinances, subdivision regulations, and building and housing codes—that establish standards of
The price of diamonds is ultimately determined based on the 4 C''s "color, clarity, cut, and carat weight". Most people today have heard of the famous 4 C''s made popular by DeBeers for consumers and the trade to judge quality, and hence, value when buying or selling.