Are Diamonds a Girl's Best Friend?

Tiffany & Co. was likely surprised by the backlash to their new campaign with Beyoncé and Jay-Z. Paying tribute to Audrey Hepburn's "Breakfast at Tiffany's" promotional photos, the campaign showcases Beyoncé wearing the iconic yellow Tiffany Diamond that was "discovered" in 1877 in South Africa. Since the announcement, conversations about "blood diamonds" have taken flight on social media. What are "blood diamonds" and does the Kimberley Process ensure that consumers are not purchasing them?