CLEAN : Sothebys unveils 100 Carat perfect diamond

The video discusses a deep, internally flawless diamond discovered in southern Africa by De Beers. It highlights the diamond's history, including its discovery in the last decade and the extensive planning and cutting process that took over a year. The diamond is expected to fetch between $19 and $25 million at auction.

In which decade was the diamond offered at auction?

• 1990s

• 2000s

• 2010s

• 2020s

What is the estimated auction price range for the diamond?

• 10 to 15 million

• 15 to 20 million

• 19 to 25 million

• 25 to 30 million