Jewelry & Gemstone Education
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Heated & Unheated Sapphires: Everything you nee...
Let’s talk about heated and unheated sapphires! What heat treatment is and all the questions you may have about it. Heat treatment is a very common and accepted practice in...
Heated & Unheated Sapphires: Everything you nee...
Let’s talk about heated and unheated sapphires! What heat treatment is and all the questions you may have about it. Heat treatment is a very common and accepted practice in...