Contacts
https://medium.com/@k4nwmni923/10-wrong-answers-to-common-blue-sapphire-rings-vintage-questions-do-you-know-the-right-ones-a26731f53ef1
The warmth that produces the diamond may even exceed 1,200 levels Celsius. Something under four hundred degrees Celsius results in graphite, not diamond. Speak about heat. It corresponds to the warmth, the passion