Deep in the Australian Outback lie some of the largest gems on the planet.

Three groups of sapphire hunters encounter big problems underground.

A tangle with a jack hammer could cost the Mifsuds a huge sapphire.

Huge floods and a mini tornado hit the Gemfields.

Old Timer, Ray, bought a new claim sight unseen, and he and best mate Paul are setting foot on it for the first time.

After an extraordinary run of bad fortune, The Bushies are back digging on Max’s claim, hoping it will bring a change of luck.