How to Explain different kinds of diamonds to Your Boss

https://www.goodreads.com/topic/show/20372515-10-celebrities-who-should-consider-a-career-in-blue-sapphire-vintage-rin

The heat that generates the diamond may even exceed one,two hundred degrees Celsius. Anything at all fewer than four hundred levels Celsius ends in graphite, not diamond. Speak about warmth. It corresponds to the