Chatham
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Chatham
Chatham has been making synthetic rubies, sapphires, alexandrites, and opals for over 60 years and has recently creating synthetic diamonds using the high pressure, high temperature process. Chatham diamonds come in shades of yellow, pink and blue.
Learn more about Chatham cultured diamonds at the company’s website: www.chatham.com
Other Synthetic Diamonds: Apollo Diamond, Tairus, Adia Diamonds, Gemesis, New Age Diamonds, LifeGem

Hi Sir
I am a student and want to learn about procedures involved in preparing rubies in lab. Can you please provide guidance about simple and cheap method of synthesizing them ?
I would be very grateful. Thanks