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.
Diamonds come in all colours but these natural Fancy Colour Diamonds are rare and can be very expensive. One out of 10,000 normal diamonds is a fancy colour diamond. The colour of a fancy coloured diamond is measured differently to a normal diamonds. The grading scale is based on the intensity of the colour.