A journey around the legendary gem mines at Mogok.

Bang Kacha is the source of many fine green & orange sapphires, amongst other gems.

Bo Rai was once a major source for rubies. Many fine gems have been found here.

A journey to the ruby and sapphire mines at Pailin in Cambodia.

Demantoids are very rare and highly prized gem by collectors and connoisseurs the world over.

Under a microscope, inclusions are a work of art produced by nature.

The treatment process involves heating the stones in the presence of lead and silicon oxides.