Blue Sapphire Rings vintage
http://jasperceyo283.angelfire.com/index.blog/1688285/how-did-we-get-here-the-history-of-different-kinds-of-diamonds-told-through-tweets/
The heat that creates the diamond may even exceed one,two hundred levels Celsius. Just about anything a lot less than 400 levels Celsius leads to graphite, not diamond. Mention heat. It corresponds to the warmth,