A diamond dealer navigates the culturally diverse and treacherous world of the diamond business.

In an attempt to get out from under Lady Rah, Jake plots a heist at the San Pedro docks with disastrous consequences.

Lady Rah sends Jake and Freddy to get illegal diamonds certified and ready for sale, but things get complicated when Isaac gets involved.

Jake and Freddy smuggle Lady Rah's diamonds into Vancouver, but things don't go as planned. Cam and Isaac butt heads over the direction Green & Green is taking. New evidence comes to light in the Avi Kreshman case.

The Green family comes together for a funeral, which brings long simmering tensions to the surface. A mysterious diamond dealer with ties to Cam's past arrives in LA.

While Cam and Pieter scheme to gain control of Green & Green, Ava takes a bigger role in the family business against Jake's wishes. In the wake of his father's death Freddy takes steps to get clean. Carlos hits a dead end in his investigation.

Jake and Lady Rah form an uneasy alliance against Pieter. Freddy and Ava work together to gain access to a Russian diamond syndicate. Cam's relationship with Sarah takes a turn for the worst.

With Pieter holding Ava hostage, Jake and Freddy must come together to save her; the investigation into Pieter begins to close in on Green & Green; Cam strikes out on his own, making a deal with the cartel.

While Freddy attempts to cut the Anastasia Diamond, Jake faces down the Chinese Triad in order to earn their buy in for a prestigious Diamond Expo in South Africa.

Freddy, high as a kite, struggles to cut the Anastasia diamond as Jake goes to Alexi for protection. Cam's hell-bent on revenge and Lady Rah offers to help Ava with an important client.

An armed robbery at Ava's house leads to a momentary truce between Jake, Ava and Cam. Freddy finishes the Anastasia diamond, and Jake goes to Tessa for help.

With the diamond expo and recertification process underway in Cape Town, Jake and Freddy try to sell the Anastasia diamond. Lady Rah offers to help Ava and adds another name to her hit list when part of her plan goes awry.

Lady Rah has put a bounty on Jake's head, and the brothers must retrieve the Anastasia from its hiding place and run for their lives. Willow and Ava face a vengeful Alexi, and Cam finally avenges Malcolm's death.