14 Questions You Might Be Afraid to Ask About type of diamond
http://finnioli759.iamarrows.com/7-trends-you-may-have-missed-about-diamond-types-names
The heat that generates the diamond can even exceed 1,200 degrees Celsius. Anything at all less than 400 degrees Celsius results in graphite, not diamond. Look at heat. It corresponds to the warmth, the enthusiasm