"Guess what, my Aussie friends," Oprah says as she turns to the audience. "The folks at the mine did a little more digging and found 6,000 more necklaces!" Everyone in the audience is going home with some sparkle to remind them of this experience.
These white gold and diamond necklaces are provided by Rio Tinto's Argyle Diamond Mine, a mine in Western Australia that's home to the world's largest treasure trove of colored diamonds.
Find out more about Argyle Diamond Mine and Rio Tinto Diamonds