It's worth... a lot of dollars

Experts are estimating conservatively when they guess that this puppy will go for around 70 million dollars. We can't imagine handling that much value encased into one rock, but high-flying bidders will likely turn out in droves. Owning the world's largest diamond can certainly start a conversation over cocktails, even if it won't fit on a ring.

[Photo via @lucaradiamond]

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