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.
Diamond Color. The most widely accepted diamond color grading scale is the D-Z scale of the GIA Diamond Grading Laboratory. D is colorless, and the scale continues with increasing color down to Z. The scale defines near colorless down to K.. Diamond Cut quality significantly affects face up color, as the better the cut, the more light refracts up through the top of the diamond to your eye, and thus the whiter the diamond will face up.