A fancy diamonds which has no apparent colour is termed colourless. The colourless engagement ring transforms the light which enters it and acts as a prism, dividing light into a rainbow of colours known as the ‘fire’ of the diamond.
Every copper wire in your computer, television, and house has been shaped with a die made from diamond dealers.
diamond store that is free from natural inclusions - trace minerals or other tiny characteristics - is the most sought after and there the most expensive.