This stunning 48.85 carat amethyst holographic effects are a result of facets ground into the back or pavilion of the gem which is roughly triangular. Gemstone sculpted by Michael Dyber. Secrets Of The Gem Trade
Amethyst

This stunning 48.85 carat amethyst holographic effects are a result of facets ground into the back or pavilion of the gem which is roughly triangular. Gemstone sculpted by Michael Dyber. Secrets Of The Gem Trade
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