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.
Blue diamonds are extremely rare. They generally have a slight hint of gray, so theyâre rarely as highly saturated as blue sapphires. Their color is caused by the presence of boron impuritiesâthe more boron, the deeper the blue. Fancy green diamonds are typically light in tone and low in saturation.
Only one in every 10,000 diamonds possesses natural color and is referred to as a colored diamond. For this reason, colored diamonds are purchased almost exclusively for the intensity and distribution of the diamond's color.olored diamonds are primarily cut to emphasize their color. This contrasts with colorless diamonds that are cut to maximize sparkle or brilliance, which in some instances can detract from the natural color of a colored diamond.