Don Kogen and his team uncover a stash of Sunset rubies in Thailand. They journey to Cambodia, where they encounter cobras, landmines and pirates patrolling the river.

The crew heads to Brazil to find a 10-carat emerald for a client. When Gavin accidentally shatters their $60,000 stone, Don and Tony make a risky deal with a notorious money lender and try to find a replacement in time.

Don and his team travel to Tanzania, where a Maasai tribe is rumored to be selling a huge tanzanite stone named Namunyak.

Don and his crew head to Romania to search for a million-dollar Zultanite gem. Without enough money to pay for the stone, they travel to a Transylvania mine but are left stranded and scrambling for a solution.

Don and the team travel to Izmir, Turkey, and the Taurus Mountains in search of Blue Turk.