Investing

Beryllium Diffusion in Sapphire: What Buyers Must Know

Sapphires are loved for their beautiful colours, but not every colour is natural. Some sapphires are treated to improve or completely change their appearance. One important treatment buyers should know about is beryllium diffusion. This treatment can create bright yellow, orange, pink-orange, red and even blue sapphires. Some of these stones look very attractive, but they are worth much less than natural untreated sapphires or standard heat-treated sapphires.

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