Color, a determining factor in a diamond’s price and quality is classified according to a scale going from D (colorless and the most beautiful,) to Z (light yellow). De Beers dares with F, G or M all the least sought after in jewelry and will even goes as far as a W with a stone of 11.77 carats. Its price is 300,000 euros, three times less than a color D. Only a diamond specialist could be so audacious.