Industry fears controversial film, which showcases illicit gem trade in Africa, could lead to major PR crisis ahead of the critical holiday period.

"It's a tough movie ... it will raise a lot of questions," Tiffany (Charts) CEO Michael Kowalski told analysts last week at the Goldman Sachs retail conference in New York.

The movie from Warner Bros., which stars Leonardo DiCaprio as a South African mercenary who's jailed for smuggling, highlights the illegal "conflict diamond" trade during civil wars in Sierra Leone and Angola in the late 1990s...Source: CNN