These large colored diamonds have the deep, dark color of an onyx. They have become very popular in the jewelry trade because of their stunning appearance and master cutters have the ability of bringing out a subtle brilliance in these pieces. When surrounded with clear diamonds, large black diamonds have a regal feel and have selectively seen interesting sales at the auctions in larger sizes.
The darkest color sensation evident to the eye and the mind. A nonspectral color the opposite of white, it is also a neutral color lacking saturation yet having a measurable range of lightness. Common color names for different mixtures of black are jet, midnight and onyx.