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What are Chatham Created Emeralds?
Carroll F. Chatham was a San Francisco chemist whose study of gemstone synthesys... -
What is Channel Setting?
A type of setting often used in mounting a number a small stones of uniform size in a row, usually ... -
What is Ceylon?
Ceylon is a gem-rich island off the southern tip of Sri Lanka that produces a beautiful, deep blue sapphire, though still paler than the famous Kashmir sapphire.   -
What is a Certified Gemologist?
A gemologist is a title granted by a gemological institute such as the American Gem Society (AGS) or the Gemological Institute of America (GIA)
