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Name the Price: Gemstone Quiz
by Staff
The world of famous gemstones is a strange one. If we had a nickel for every gargantuan, mystery-shrouded, supposedly cursed ruby or diamond, we'd have enough money to buy one of them.

Halley's Comet black opal: the largest uncut black opal in the world.

  • $200,000
  • $1.2 million
  • $12 million

The Allnatt diamond: a rare 101-carat "Fancy Vivid Yellow" diamond.

  • $1 million
  • $2 million
  • $3 million

The Chloe diamond: largest round brilliant-cut diamond ever auctioned.

  • $16.2 million
  • $19.2 million
  • $22.2 million

The Wittelsbach diamond: the most expensive diamond ever bought at auction.

  • $23.4 million
  • $24.3 million
  • $34.2 million

The Hope diamond: legendary 45.52-carat blue diamond.

  • $300 million
  • $400 million
  • no one knows

The Lesotho Promise diamond: golf-ball-size diamond found in 2006.

  • $12.4 million
  • $14.2 million
  • $22.4 million

The Big Pink pearl: the second-largest natural abalone pearl ever found.

  • $4.1 million
  • $14.1 million
  • $24.1 million

The Pearl of Allah: the world's largest pearl.

  • $4.2 million
  • $24 million
  • $42 million

The Moussaieff Blue diamond: the most expensive per carat gemstone ever bought at auction.

  • $1.8 million
  • $8 million
  • $18 million

The Amsterdam diamond: the most expensive black diamond ever bought at auction.

  • $35.2 million
  • $3.52 million
  • $352,000