The category with the highest number of workers in 2011 comprised the 21.4 million office and administrative support occupations, which had average earnings of $2,843 per month, $34,120 per year or $16.40 per hour.n 2011, food preparation and serving related occupations were the lowest-earning category, earning an average monthly $1,785, which equaled $21,430 per year, or $10.30 per hour.
Another factor that affects a diamonds's apparent color is the color of the mounting itself. Yellow gold makes slight amounts of yellow in a diamond less obvious, while white metal mountings make the color in yellow diamonds more apparent.
Natural color diamonds can vary in color saturation or strength from very faint to an intense vivid color. Just a slight shift in color strength can make a colored diamond affordable. The strength of color is one of the most important factors in determining the value of a natural colored diamond.he value of natural color diamonds is based on the rarity, strength and variation of color within each diamond. Below is a chart that illustrates the web of complex relationships that exists in the world of colored diamonds.