Color Gemstone Treatment

The natural gemstones on this website may have been color and/or clarity treated by: heating (generally); oil/wax/resin (emeralds); diffusion (sapphires, rubies, topaz); or fissure-filled with a glass-like by-product (rubies, sapphires).

Although most treated gemstones are stable, some may require special care in jewelry repair. Our trained professionals are knowledgeable in repairing jewelry that contains treated gemstones.

Gemstone jewelry should only be gently cleaned by rinsing in warm water and drying with a soft cloth.

It is our policy not to sell or trade in gemstones that have been treated with vapor deposition. Also, we do not sell rubies from Myanmar/Burma, composite rubies, coral or ivory.

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