Sona Diamond Color :Recent years have brought colored diamonds into the spotlight as the ultimate fashion accessory. Celebrities traversing the red carpet flash beautiful jewelry featuring stones in shades that compliment the designer dresses they wear. Before colored diamonds were created specially under laboratory conditions to produce exact shades and tones, this special class of diamond was available only to those who could afford to pay the very large price tag. Sona Diamond's Research Institute offers hybrid simulated diamonds in a rainbow variety of colors.